diff --git a/Cargo.lock b/Cargo.lock
index 71fa1ff..9348267 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1039,7 +1039,7 @@ dependencies = [
 
 [[package]]
 name = "patched_porobot"
-version = "0.7.1"
+version = "0.8.0"
 dependencies = [
  "data-encoding",
  "glob",
diff --git a/Cargo.toml b/Cargo.toml
index 67a6408..ec65759 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "patched_porobot"
-version = "0.7.1"
+version = "0.8.0"
 authors = ["Stefano Pigozzi <me@steffo.eu>"]
 edition = "2021"
 description = "Legends of Runeterra card database utilities and bots"
@@ -23,9 +23,9 @@ regex = { version = "1.6.0" }
 lazy_static = { version = "1.4.0" }
 data-encoding = { version = "2.3.2" }
 varint-rs = { version = "2.2.0" }
+glob = { version = "0.3.0" }
 # exec
 pretty_env_logger = { version = "0.4.0", optional = true }
-glob = { version = "0.3.0", optional = true }
 # data
 serde = { version = "1.0.140", features = ["derive"] }
 serde_json = { version = "1.0.82" }
@@ -43,7 +43,7 @@ rand = { version = "0.8.5", optional = true }
 
 [features]
 # data = []  # Always included
-exec = ["pretty_env_logger", "glob"]
+exec = ["pretty_env_logger"]
 search = ["tantivy"]
 telegram = ["exec", "search", "teloxide", "reqwest", "tokio", "md5", "rand"]
 discord = ["exec", "search"]
diff --git a/src/data/corebundle/mod.rs b/src/data/corebundle/mod.rs
index c05c4b5..4ebd771 100644
--- a/src/data/corebundle/mod.rs
+++ b/src/data/corebundle/mod.rs
@@ -46,7 +46,7 @@ impl CoreBundle {
         let locale = metadata.locale().ok_or(LoadingError::GettingLocale)?;
 
         let globals_path = &bundle_path
-            .join(&locale)
+            .join(locale)
             .join("data")
             .join(format!("globals-{}.json", &locale));
 
@@ -59,3 +59,19 @@ impl CoreBundle {
         })
     }
 }
+
+/// Create [`globals::LocalizedGlobalsIndexes`] from the core bundle in the current working directory.
+///
+/// This function tries to load data from the first directory matching the [glob] `./data/core-*`.
+pub fn create_globalindexes_from_wd() -> globals::LocalizedGlobalsIndexes {
+    let path = glob::glob("./data/core-*")
+        .expect("glob to be a valid glob")
+        .filter_map(Some)
+        .find_map(Result::ok)
+        .expect("a valid core bundle to exist");
+
+    let core = CoreBundle::load(&path)
+        .expect("to be able to load `core-en_us` bundle");
+
+    globals::LocalizedGlobalsIndexes::from(core.globals)
+}
diff --git a/src/data/deckcode/deck.rs b/src/data/deckcode/deck.rs
index 1a2ac12..4a32c89 100644
--- a/src/data/deckcode/deck.rs
+++ b/src/data/deckcode/deck.rs
@@ -2,13 +2,15 @@
 
 use super::format::DeckCodeFormat;
 use crate::data::deckcode::version::{DeckCodeVersion, DeckCodeVersioned};
+use crate::data::setbundle::card::{Card, CardIndex};
 use crate::data::setbundle::code::CardCode;
 use crate::data::setbundle::region::CardRegion;
 use crate::data::setbundle::set::CardSet;
 use itertools::Itertools;
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 use std::io::{Cursor, Read, Write};
 use varint_rs::{VarintReader, VarintWriter};
+use crate::data::setbundle::supertype::CardSupertype;
 
 /// A unshuffled Legends of Runeterra card deck.
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -408,6 +410,170 @@ impl Deck {
 
         Ok(Self::encode_code(&cursor.into_inner()))
     }
+
+    /// Get an [`Iterator`] of all Champion [`Card`]s in the deck.
+    pub fn champions<'a>(&'a self, cards: &'a CardIndex) -> impl Iterator<Item = &'a Card> {
+        self.contents.keys()
+            .filter_map(|cc| cc.to_card(cards))
+            .filter(|c| c.supertype == CardSupertype::Champion)
+    }
+
+    /// Count the number of copies of the given card present in this deck.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use patched_porobot::deck;
+    /// use patched_porobot::data::deckcode::deck::Deck;
+    /// use patched_porobot::data::setbundle::code::CardCode;
+    ///
+    /// let d: Deck = deck![
+    ///     "01DE002": 40,
+    /// ];
+    ///
+    /// let copies = d.copies_of(&CardCode::from("01DE002".to_string()));
+    /// assert_eq!(copies, 40);
+    /// ```
+    pub fn copies_of(&self, code: &CardCode) -> u32 {
+        self.contents.get(code).map_or(0, ToOwned::to_owned)
+    }
+
+    /// Get the number of cards in the deck.
+    ///
+    /// In the *Standard* and *Singleton* formats, this is never more than 40.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use patched_porobot::deck;
+    /// use patched_porobot::data::deckcode::deck::Deck;
+    /// use patched_porobot::data::setbundle::card::CardIndex;
+    /// use patched_porobot::data::setbundle::create_cardindex_from_wd;
+    ///
+    /// let index: CardIndex = create_cardindex_from_wd();
+    /// let deck: Deck = deck!("CECQCAQCA4AQIAYKAIAQGLRWAQAQECAPEUXAIAQDAEBQOCIBAIAQEMJYAA");
+    /// assert_eq!(d.card_count(&index), 40);
+    ///
+    pub fn card_count(&self) -> u32 {
+        self.contents.values().sum()
+    }
+
+    /// Get the number of champion cards in the deck.
+    ///
+    /// In the *Standard* and *Singleton* format, this is never more than 6.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use patched_porobot::deck;
+    /// use patched_porobot::data::deckcode::deck::Deck;
+    /// use patched_porobot::data::setbundle::card::CardIndex;
+    /// use patched_porobot::data::setbundle::create_cardindex_from_wd;
+    ///
+    /// let index: CardIndex = create_cardindex_from_wd();
+    /// let deck: Deck = deck!("CECQCAQCA4AQIAYKAIAQGLRWAQAQECAPEUXAIAQDAEBQOCIBAIAQEMJYAA");
+    /// assert_eq!(d.champions_count(&index), 6);
+    /// ```
+    pub fn champions_count(&self, cards: &CardIndex) -> u32 {
+        self.champions(cards)
+            .map(|c| &c.code)
+            .map(|cc| self.copies_of(cc))
+            .sum()
+    }
+
+    /// Find the first possible set of regions that the [`Deck`] fits in.
+    ///
+    /// Lower amounts of regions are preferred: the limit will be increased from 1 up to `limit` until a valid solution is found.
+    ///
+    /// # Warning
+    ///
+    /// This method traverses the tree of possible region selections until one is found.
+    ///
+    /// The time required to run this function may grow exponentially with the amount of cards in the deck!
+    pub fn regions(&self, card_index: &CardIndex, limit: usize) -> Option<HashSet<CardRegion>> {
+        let cards: Vec<&Card> = self.contents.keys()
+            .flat_map(|cc| cc.to_card(card_index))
+            .collect();
+
+        for n in 1..=limit {
+            let result = Self::regions_recursive_first_limit(cards.as_slice(), HashSet::new(), n);
+
+            if result.is_some() {
+                return result;
+            }
+        }
+
+        None
+    }
+
+    /// Find the first possible set of regions that covers all given [`Card`]s.
+    ///
+    /// This function is *recursive*: the `cards` parameter holds the [`Card`]s left to process, while the `regions` parameter holds the regions found so far, and the `limit` parameter holds the size of the `regions` set to stop the recursion at.
+    ///
+    /// # Warning
+    ///
+    /// This method traverses the tree of possible region selections until one is found.
+    ///
+    /// The time required to run this function may grow exponentially with the size of `cards`!
+    fn regions_recursive_first_limit(cards: &[&Card], regions: HashSet<CardRegion>, limit: usize) -> Option<HashSet<CardRegion>> {
+        match cards.get(0) {
+            None => Some(regions),
+            Some(card) => {
+                card.regions.iter()
+                    .map(|region| {
+                        match region {
+                            CardRegion::Unsupported => {
+                                None
+                            }
+                            CardRegion::Runeterra => {
+                                Self::regions_recursive_first_limit(&cards[1..], regions.clone(), limit)
+                            }
+                            _ => {
+                                let mut regions = regions.clone();
+                                let inserted = regions.insert(*region);
+                                match inserted && regions.len() > limit {
+                                    true => None,
+                                    false => Self::regions_recursive_first_limit(&cards[1..], regions, limit)
+                                }
+                            }
+                        }
+                    })
+                    .find(Option::is_some)
+                    .unwrap_or(None)
+            },
+        }
+    }
+
+    /// Check if the [`Deck`] is legal for play in the *Standard* format.
+    ///
+    /// # Returns
+    ///
+    /// - `None` if the deck is not legal for *Standard* play.
+    /// - `Some(regions)` if the deck is legal for *Standard* play considering the specified region set.
+    pub fn standard(&self, cards: &CardIndex) -> Option<HashSet<CardRegion>> {
+        let copies_limit = self.contents.values().all(|n| n <= &3);
+        let cards_limit = self.card_count() == 40;
+        let champions_limit = self.champions_count(cards) <= 6;
+        let regions = self.regions(cards, 2);
+
+        match copies_limit && cards_limit && champions_limit {
+            false => None,
+            true => regions,
+        }
+    }
+
+    /// Check if the [`Deck`] is legal for play in the *Singleton* format.
+    pub fn singleton(&self, cards: &CardIndex) -> Option<HashSet<CardRegion>> {
+        let copies_limit = self.contents.values().all(|n| n <= &1);
+        let cards_limit = self.card_count() == 40;
+        let champions_limit = self.champions_count(cards) <= 6;
+        let regions = self.regions(cards, 3);
+
+        match copies_limit && cards_limit && champions_limit {
+            false => None,
+            true => regions,
+        }
+    }
 }
 
 /// An error occoured while decoding a [`Deck`] from a code.
@@ -448,9 +614,26 @@ pub type DeckDecodingResult<T> = Result<T, DeckDecodingError>;
 /// The [`Result`] of a [`Deck`] **encoding** operation, for example [`Deck::to_code`].
 pub type DeckEncodingResult<T> = Result<T, DeckEncodingError>;
 
-/// Macro to build a deck from card code strings and quantities.
+/// Macro to build a deck.
 ///
-/// # Example
+/// Useful to quickly build [`Deck`]s from trusted input, such as when creating tests.
+///
+/// It can build a deck:
+///
+/// - from a deck code;
+/// - from card code strings and quantities.
+///
+/// # Panics
+///
+/// If the deck code is not valid.
+///
+/// # Examples
+///
+/// ```rust
+/// use patched_porobot::deck;
+///
+/// let _my_deck = deck!("CECQCAQCA4AQIAYKAIAQGLRWAQAQECAPEUXAIAQDAEBQOCIBAIAQEMJYAA");
+/// ```
 ///
 /// ```rust
 /// use patched_porobot::deck;
@@ -480,13 +663,17 @@ pub type DeckEncodingResult<T> = Result<T, DeckEncodingError>;
 /// ```
 #[macro_export]
 macro_rules! deck {
-    [$($cd:literal: $qty:literal),* $(,)?] => {
+    [ $($cd:literal: $qty:expr),* $(,)? ] => {
         $crate::data::deckcode::deck::Deck {
             contents: std::collections::HashMap::from([
                 $(($crate::data::setbundle::code::CardCode { full: $cd.to_string() }, $qty),)*
             ])
         }
-    }
+    };
+
+    ( $code:expr ) => {
+        $crate::data::deckcode::deck::Deck::from_code($code).expect("deck code created with deck!() to be valid")
+    };
 }
 
 #[rustfmt::skip::macros(test_de_ser, test_ser_de)]
@@ -653,5 +840,64 @@ mod tests {
         "02BW012": 69,
     ]);
 
-    //test_ser_de!(test_ser_de_, deck![]);
+    // test_ser_de!(test_ser_de_, deck![]);
+
+    macro_rules! test_legality {
+        ( $id:ident, $deck:expr, $check:path, $assert:expr ) => {
+            #[test]
+            fn $id() {
+                let index = $crate::data::setbundle::create_cardindex_from_wd();
+                let deck: Deck = $deck;
+                let result = $check(&deck, &index).is_some();
+                assert_eq!(result, $assert);
+            }
+        }
+    }
+
+    test_legality!(
+        test_legality_standard_lonelyporo1,
+        deck!("CEAAAAIBAEAQQ"),
+        Deck::standard, false
+    );
+    test_legality!(
+        test_legality_standard_twistedshrimp,
+        deck!("CICACBAFAEBAGBQICABQCBJLF4YQOAQGAQEQYEQUDITAAAIBAMCQO"),
+        Deck::standard, true
+    );
+    test_legality!(
+        test_legality_standard_poros,
+        deck!("CQDQCAQBAMAQGAICAECACDYCAECBIFYCAMCBEEYCAUFIYANAAEBQCAIICA2QCAQBAEVTSAA"),
+        Deck::standard, true
+    );
+    test_legality!(
+        test_legality_standard_sand,
+        deck!("CMBAGBAHANTXEBQBAUCAOFJGFIYQEAIBAUOQIBAHGM5HM6ICAECAOOYCAECRSGY"),
+        Deck::standard, true
+    );
+
+    test_legality!(
+        test_legality_singleton_lonelyporo1,
+        deck!("CEAAAAIBAEAQQ"),
+        Deck::singleton, false
+    );
+    test_legality!(
+        test_legality_singleton_twistedshrimp,
+        deck!("CICACBAFAEBAGBQICABQCBJLF4YQOAQGAQEQYEQUDITAAAIBAMCQO"),
+        Deck::singleton, false
+    );
+    test_legality!(
+        test_legality_singleton_poros,
+        deck!("CQDQCAQBAMAQGAICAECACDYCAECBIFYCAMCBEEYCAUFIYANAAEBQCAIICA2QCAQBAEVTSAA"),
+        Deck::singleton, false
+    );
+    test_legality!(
+        test_legality_singleton_sand,
+        deck!("CMBAGBAHANTXEBQBAUCAOFJGFIYQEAIBAUOQIBAHGM5HM6ICAECAOOYCAECRSGY"),
+        Deck::singleton, false
+    );
+    test_legality!(
+        test_legality_singleton_paltri,
+        deck!("CQAAADABAICACAIFBLAACAIFAEHQCBQBEQBAGBADAQBAIAIKBUBAKBAWDUBQIBACA4GAMAIBAMCAYHJBGADAMBAOCQKRMKBLA4AQIAQ3D4QSIKZYBACAODJ3JRIW3AABQIAYUAI"),
+        Deck::singleton, true
+    );
 }
diff --git a/src/data/deckcode/version.rs b/src/data/deckcode/version.rs
index 216721a..985b5bf 100644
--- a/src/data/deckcode/version.rs
+++ b/src/data/deckcode/version.rs
@@ -77,9 +77,6 @@ impl DeckCodeVersioned for CardRegion {
             CardRegion::BandleCity => Some(DeckCodeVersion::V4),
 
             CardRegion::Runeterra => Some(DeckCodeVersion::V5),
-            CardRegion::Jhin => Some(DeckCodeVersion::V5),
-            CardRegion::Evelynn => Some(DeckCodeVersion::V5),
-            CardRegion::Bard => Some(DeckCodeVersion::V5),
 
             _ => None,
         }
diff --git a/src/data/setbundle/code.rs b/src/data/setbundle/code.rs
index 26a11bb..5fc78b4 100644
--- a/src/data/setbundle/code.rs
+++ b/src/data/setbundle/code.rs
@@ -2,7 +2,7 @@
 
 use crate::data::setbundle::card::{Card, CardIndex};
 
-/// The internal code of a [Card](super::card::Card).
+/// The internal code of a [`Card`].
 ///
 /// It is a ASCII string composed of the following segments:
 /// - `0..2`: set;
@@ -98,3 +98,10 @@ impl From<String> for CardCode {
         CardCode { full }
     }
 }
+
+/// Extract the card code from a [`Card`].
+impl From<Card> for CardCode {
+    fn from(c: Card) -> Self {
+        c.code
+    }
+}
\ No newline at end of file
diff --git a/src/data/setbundle/mod.rs b/src/data/setbundle/mod.rs
index 2785076..8ebb50d 100644
--- a/src/data/setbundle/mod.rs
+++ b/src/data/setbundle/mod.rs
@@ -6,7 +6,7 @@
 use super::anybundle::metadata::BundleMetadata;
 use crate::data::anybundle::outcomes::{LoadingError, LoadingResult};
 use std::fs::File;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 
 pub mod art;
 pub mod card;
@@ -50,7 +50,7 @@ impl SetBundle {
             let mut json_filename = name.to_os_string();
             json_filename.push(".json");
 
-            &bundle_path.join(&locale).join("data").join(&json_filename)
+            &bundle_path.join(locale).join("data").join(&json_filename)
         };
 
         let name = name
@@ -70,3 +70,37 @@ impl SetBundle {
         })
     }
 }
+
+
+/// Create a [`card::CardIndex`] from set bundles in the given paths.
+///
+/// # Panics
+///
+/// If any of the required files cannot be loaded (see [`SetBundle::load`]).
+pub fn create_cardindex_from_paths(paths: impl Iterator<Item = PathBuf>) -> card::CardIndex {
+    let mut index = card::CardIndex::new();
+    for path in paths {
+        let set = SetBundle::load(&path).expect("to be able to load SetBundle");
+        for card in set.cards {
+            index.insert(card.code.clone(), card);
+        }
+    };
+    index
+}
+
+/// Create a [`card::CardIndex`] from set bundles in the current working directory.
+///
+/// This function tries to load data from any directory matching the [glob] `./data/set*-*`.
+///
+/// # Panics
+///
+/// See [`create_cardindex_from_paths`].
+pub fn create_cardindex_from_wd() -> card::CardIndex {
+    let paths = glob::glob("./data/set*-*")
+        .expect("glob to be a valid glob")
+        .filter_map(Some)
+        .filter_map(Result::ok);
+
+    create_cardindex_from_paths(paths)
+}
+
diff --git a/src/data/setbundle/region.rs b/src/data/setbundle/region.rs
index f2fb1c4..3df046b 100644
--- a/src/data/setbundle/region.rs
+++ b/src/data/setbundle/region.rs
@@ -32,22 +32,15 @@ pub enum CardRegion {
     /// Runeterra.
     Runeterra,
 
-    /// Origin: The Virtuoso.
-    Jhin,
-    /// Origin: Agony's Embrace.
-    Evelynn,
-    /// Origin: The Wandering Caretaker.
-    Bard,
-
     /// Unsupported region.
     #[serde(other)]
     Unsupported,
 }
 
 impl CardRegion {
-    /// Get the [LocalizedCardRegion] associated with this [CardRegion].
+    /// Get the [`LocalizedCardRegion`] associated with this [`CardRegion`].
     ///
-    /// Returns [Option::None] if no matching [LocalizedCardRegion] was found, for example for [CardRegion::Unsupported] regions.
+    /// Returns [`None`] if no matching [`LocalizedCardRegion`] was found, for example for [`CardRegion::Unsupported`] regions.
     ///
     /// Equivalent to calling [LocalizedCardRegionIndex::get].
     pub fn localized<'hm>(
@@ -79,7 +72,7 @@ impl CardRegion {
 
     /// Get the short code of this [`CardRegion`].
     ///
-    /// If the region has no short code, it will return [`Option::None`].
+    /// If the region has no short code, it will return [`None`].
     pub fn to_code(&self) -> Option<String> {
         match self {
             Self::Demacia => Some("DE".to_string()),
@@ -122,7 +115,7 @@ impl From<u32> for CardRegion {
 
 /// Get the internal id of this [`CardRegion`].
 ///
-/// If the region has no internal id, it will return [`Result::Err`].
+/// If the region has no internal id, it will return [`Err`].
 impl TryFrom<CardRegion> for u32 {
     type Error = ();
 
@@ -169,8 +162,5 @@ mod tests {
     test_deserialization!(deserialize_piltoverzaun, r#""PiltoverZaun""#, CardRegion::PiltoverZaun);
     test_deserialization!(deserialize_bandlecity, r#""BandleCity""#, CardRegion::BandleCity);
     test_deserialization!(deserialize_runeterra, r#""Runeterra""#, CardRegion::Runeterra);
-    test_deserialization!(deserialize_jhin, r#""Jhin""#, CardRegion::Jhin);
-    test_deserialization!(deserialize_evelynn, r#""Evelynn""#, CardRegion::Evelynn);
-    test_deserialization!(deserialize_bard, r#""Bard""#, CardRegion::Bard);
     test_deserialization!(deserialize_fallback, r#""Xyzzy""#, CardRegion::Unsupported);
 }
diff --git a/src/data/setbundle/speed.rs b/src/data/setbundle/speed.rs
index 8b665c8..cfa32c5 100644
--- a/src/data/setbundle/speed.rs
+++ b/src/data/setbundle/speed.rs
@@ -2,7 +2,7 @@
 
 use crate::data::corebundle::speed::{LocalizedSpellSpeed, LocalizedSpellSpeedIndex};
 
-/// A possible [Spell](super::type::CardType::Spell) speed.
+/// A possible [`Spell`](super::r#type::CardType::Spell) speed.
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, serde::Serialize, serde::Deserialize)]
 pub enum SpellSpeed {
     /// Non-spell cards have this speed.
@@ -17,11 +17,11 @@ pub enum SpellSpeed {
 }
 
 impl SpellSpeed {
-    /// Get the [LocalizedSpellSpeed] associated with this [SpellSpeed].
+    /// Get the [`LocalizedSpellSpeed`] associated with this [`SpellSpeed`].
     ///
-    /// Returns [Option::None] if no matching [LocalizedSpellSpeed] was found, for example spell speeds missing from the index.
+    /// Returns [`None`] if no matching [`LocalizedSpellSpeed`] was found, for example spell speeds missing from the index.
     ///
-    /// Equivalent to calling [LocalizedSpellSpeedIndex::get].
+    /// Equivalent to calling [`LocalizedSpellSpeedIndex::get`].
     pub fn localized<'hm>(
         &self,
         hm: &'hm LocalizedSpellSpeedIndex,
diff --git a/src/telegram/display.rs b/src/telegram/display.rs
index 5e40692..b6cdab9 100644
--- a/src/telegram/display.rs
+++ b/src/telegram/display.rs
@@ -2,6 +2,8 @@
 //!
 //! [Telegram Bot HTML]: https://core.telegram.org/bots/api#html-style
 
+use std::cmp::Ordering::{Equal, Greater, Less};
+use std::collections::HashSet;
 use crate::data::corebundle::globals::LocalizedGlobalsIndexes;
 use crate::data::corebundle::keyword::LocalizedCardKeywordIndex;
 use crate::data::corebundle::region::LocalizedCardRegionIndex;
@@ -161,33 +163,79 @@ fn display_levelup(levelup: &String) -> String {
 ///
 /// [Telegram Bot HTML]: https://core.telegram.org/bots/api#html-style
 pub fn display_deck(index: &CardIndex, deck: &Deck, code: &str, name: &Option<&str>) -> String {
-    // TODO: optimize this
     let cards = deck
         .contents
         .keys()
-        .sorted_by(|a, b| {
-            let card_a = index.get(a).expect("card to exist in the index");
-            let card_b = index.get(b).expect("card to exist in the index");
+        .map(|k| (
+            index.get(k),
+            deck.contents.get(k).expect("CardCode from Deck to have a quantity"),
+        ))
+        .sorted_by(|(opt_a, _), (opt_b, _)| {
+            if opt_a.is_none() && opt_b.is_none() {
+                return Equal;
+            }
+            if opt_b.is_none() {
+                return Greater;
+            }
+            else if opt_a.is_none() {
+                return Less;
+            }
+
+            let card_a = opt_a.expect("opt_a to be Some");
+            let card_b = opt_b.expect("opt_b to be Some");
 
             card_a
                 .cost
                 .cmp(&card_b.cost)
                 .then(card_a.name.cmp(&card_b.name))
         })
-        .map(|k| {
-            let card = index.get(k).expect("card to exist in the index");
-            let quantity = deck.contents.get(k).unwrap();
+        .map(|(card, quantity)| {
+            let name = match card {
+                None => "<i>Unknown Card</i>".to_string(),
+                Some(card) => match card.supertype {
+                    CardSupertype::Champion => format!("<u>{}</u>", escape(&card.name)),
+                    _                       => escape(&card.name),
+                }
+            };
 
-            if card.supertype == CardSupertype::Champion {
-                format!("<b>{}×</b> <u>{}</u>", &quantity, &card.name)
-            } else {
-                format!("<b>{}×</b> {}", &quantity, &card.name)
-            }
+            format!("<b>{}×</b> {}", &quantity, &name)
         })
         .join("\n");
 
+    let mut tags: Vec<&'static str> = vec![];
+
+    let regions = if let Some(regions) = deck.standard(&index) {
+        tags.push("#Standard");
+        regions
+    } else if let Some(regions) = deck.singleton(&index) {
+        tags.push("#Singleton");
+        regions
+    } else {
+        HashSet::new()
+    };
+
+    for region in regions {
+        tags.push(match region {
+            CardRegion::Noxus => "#Noxus",
+            CardRegion::Demacia => "#Demacia",
+            CardRegion::Freljord => "#Freljord",
+            CardRegion::ShadowIsles => "#ShadowIsles",
+            CardRegion::Targon => "#Targon",
+            CardRegion::Ionia => "#Ionia",
+            CardRegion::Bilgewater => "#Bilgewater",
+            CardRegion::Shurima => "#Shurima",
+            CardRegion::PiltoverZaun => "#PiltoverZaun",
+            CardRegion::BandleCity => "#BandleCity",
+            CardRegion::Runeterra => "#Runeterra",
+            CardRegion::Unsupported => "<i>Unknown</i>",
+        })
+    }
+
+    let tags = tags.join(", ");
+    let tags = if tags.len() > 0 { format!("{}\n", &tags) } else { "".to_string() };
+
     match name {
-        Some(name) => format!("<b><u>{}</u></b>\n<code>{}</code>\n\n{}", &name, &code, &cards),
-        None => format!("<code>{}</code>\n\n{}", &code, &cards),
+        Some(name) => format!("<b><u>{}</u></b>\n<code>{}</code>\n{}\n{}", &name, &code, &tags, &cards),
+        None => format!("<code>{}</code>\n{}\n{}", &code, &tags, &cards),
     }
 }
diff --git a/src/telegram/inline.rs b/src/telegram/inline.rs
index 8a5da10..1d11ddf 100644
--- a/src/telegram/inline.rs
+++ b/src/telegram/inline.rs
@@ -55,6 +55,8 @@ pub fn deck_to_inlinequeryresult(
         .to_code(DeckCodeFormat::F1)
         .expect("serialized deck to deserialize properly");
 
+    let message_text = display_deck(index, deck, &code, &name);
+
     InlineQueryResult::Article(InlineQueryResultArticle {
         id: format!("{}:{:x}", &crystal, md5::compute(&code)),
         title: match &name {
diff --git a/src/telegram/main.rs b/src/telegram/main.rs
index aacb08d..8139f69 100644
--- a/src/telegram/main.rs
+++ b/src/telegram/main.rs
@@ -1,14 +1,10 @@
 //! This module defines the [`main`] function for `patched_porobot_telegram`.
 
-use crate::data::corebundle::globals::LocalizedGlobalsIndexes;
-use crate::data::corebundle::CoreBundle;
-use crate::data::setbundle::card::{Card, CardIndex};
-use crate::data::setbundle::SetBundle;
+use crate::data::corebundle::create_globalindexes_from_wd;
+use crate::data::setbundle::create_cardindex_from_wd;
 use crate::search::cardsearch::CardSearchEngine;
 use crate::telegram::handler::{inline_query_handler, message_handler};
-use glob::glob;
 use log::*;
-use std::path::PathBuf;
 use rand::Rng;
 use teloxide::prelude::*;
 
@@ -17,43 +13,17 @@ pub async fn main() {
     pretty_env_logger::init();
     debug!("Logger initialized successfully!");
 
-    debug!("Loading core bundle...");
-    let core = CoreBundle::load(&*PathBuf::from("./data/core-en_us"))
-        .expect("to be able to load `core-en_us` bundle");
-    debug!("Loaded core bundle successfully!");
+    debug!("Creating LocalizedGlobalIndexes...");
+    let globals = create_globalindexes_from_wd();
+    debug!("Created LocalizedGlobalIndexes!");
 
-    debug!("Loading set bundles...");
-    let setpaths = glob("./data/set*-*")
-        .expect("setglob to be a valid glob")
-        .into_iter()
-        .filter(|sp| sp.is_ok())
-        .map(|sp| sp.unwrap());
-    let mut cards: Vec<Card> = vec![];
-    for setpath in setpaths {
-        debug!("Loading {:?}...", &setpath);
-        let set = SetBundle::load(&setpath).expect(&*format!(
-            "to be able to load {:?} as a set bundle",
-            &setpath
-        ));
-        let mut setcards = set.cards;
-        cards.append(&mut setcards);
-    }
-    debug!("Loaded {} cards!", &cards.len());
+    debug!("Creating CardIndex...");
+    let cards = create_cardindex_from_wd();
+    debug!("Created CardIndex!");
 
-    debug!("Indexing globals...");
-    let globals = LocalizedGlobalsIndexes::from(core.globals);
-    debug!("Indexed globals!");
-
-    let mut index = CardIndex::new();
-    for card in cards {
-        index.insert(card.code.clone(), card);
-    }
-    let cards = index;
-    debug!("Indexed cards!");
-
-    debug!("Creating search engine...");
+    debug!("Creating CardSearchEngine...");
     let engine = CardSearchEngine::new(globals, cards);
-    debug!("Created search engine!");
+    debug!("Created CardSearchEngine!");
 
     debug!("Creating Telegram bot with parameters from the environment...");
     let bot = Bot::from_env();