diff --git a/Mage.Sets/src/mage/cards/v/Vault21HouseGambit.java b/Mage.Sets/src/mage/cards/v/Vault21HouseGambit.java
new file mode 100644
index 00000000000..a11b9522f72
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/v/Vault21HouseGambit.java
@@ -0,0 +1,108 @@
+package mage.cards.v;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SagaAbility;
+import mage.abilities.effects.Effects;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.discard.DiscardControllerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.Cards;
+import mage.cards.CardsImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SagaChapter;
+import mage.constants.SubType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.token.TreasureToken;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.common.TargetCardInHand;
+
+import java.util.UUID;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class Vault21HouseGambit extends CardImpl {
+
+    public Vault21HouseGambit(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{R}");
+
+        this.subtype.add(SubType.SAGA);
+
+        // (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
+        SagaAbility sagaAbility = new SagaAbility(this);
+
+        // I, II -- Discard a card, then draw a card.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_I, SagaChapter.CHAPTER_II,
+                new Effects(
+                        new DiscardControllerEffect(1),
+                        new DrawCardSourceControllerEffect(1)
+                                .concatBy(", then")
+                )
+        );
+
+        // III -- Reveal up to five nonland cards from your hand. For each of those cards that has the same mana value as another card revealed this way, create a Treasure token.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_III, new Vault21HouseGambitEffect());
+        this.addAbility(sagaAbility);
+    }
+
+    private Vault21HouseGambit(final Vault21HouseGambit card) {
+        super(card);
+    }
+
+    @Override
+    public Vault21HouseGambit copy() {
+        return new Vault21HouseGambit(this);
+    }
+}
+
+class Vault21HouseGambitEffect extends OneShotEffect {
+
+    Vault21HouseGambitEffect() {
+        super(Outcome.Benefit);
+        staticText = "reveal up to five nonland cards from your hand. For each of those cards " +
+                "that has the same mana value as another card revealed this way, create a Treasure token";
+    }
+
+    private Vault21HouseGambitEffect(final Vault21HouseGambitEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public Vault21HouseGambitEffect copy() {
+        return new Vault21HouseGambitEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        TargetCard target = new TargetCardInHand(0, 5, StaticFilters.FILTER_CARD_NON_LAND);
+        player.choose(outcome, player.getHand(), target, source, game);
+        Cards cards = new CardsImpl(target.getTargets());
+        if (cards.isEmpty()) {
+            return false;
+        }
+        player.revealCards(source, cards, game);
+        int count = cards
+                .getCards(game)
+                .stream()
+                .map(MageObject::getManaValue)
+                .collect(Collectors.toMap(Function.identity(), x -> 1, Integer::sum))
+                .values()
+                .stream()
+                .mapToInt(x -> x > 1 ? x : 0)
+                .sum();
+        return count > 0 && new TreasureToken().putOntoBattlefield(count, game, source);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Fallout.java b/Mage.Sets/src/mage/sets/Fallout.java
index e4a1a03ede2..841e7984e8c 100644
--- a/Mage.Sets/src/mage/sets/Fallout.java
+++ b/Mage.Sets/src/mage/sets/Fallout.java
@@ -325,6 +325,7 @@ public final class Fallout extends ExpansionSet {
         cards.add(new SetCardInfo("Valorous Stance", 174, Rarity.UNCOMMON, mage.cards.v.ValorousStance.class));
         cards.add(new SetCardInfo("Vandalblast", 355, Rarity.UNCOMMON, mage.cards.v.Vandalblast.class));
         cards.add(new SetCardInfo("Vault 101: Birthday Party", 28, Rarity.RARE, mage.cards.v.Vault101BirthdayParty.class));
+        cards.add(new SetCardInfo("Vault 21: House Gambit", 69, Rarity.RARE, mage.cards.v.Vault21HouseGambit.class));
         cards.add(new SetCardInfo("Vault 75: Middle School", 27, Rarity.RARE, mage.cards.v.Vault75MiddleSchool.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Vault 75: Middle School", 555, Rarity.RARE, mage.cards.v.Vault75MiddleSchool.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Vigor", 347, Rarity.RARE, mage.cards.v.Vigor.class));