diff --git a/Mage.Sets/src/mage/cards/t/Tiamat.java b/Mage.Sets/src/mage/cards/t/Tiamat.java
new file mode 100644
index 00000000000..23750835a0d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/t/Tiamat.java
@@ -0,0 +1,100 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.condition.common.CastFromEverywhereSourceCondition;
+import mage.abilities.decorator.ConditionalInterveningIfTriggeredAbility;
+import mage.abilities.effects.common.search.SearchLibraryPutInHandEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.Cards;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.NamePredicate;
+import mage.game.Game;
+import mage.target.common.TargetCardInLibrary;
+import mage.util.CardUtil;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class Tiamat extends CardImpl {
+
+    public Tiamat(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{W}{U}{B}{R}{G}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.DRAGON);
+        this.subtype.add(SubType.GOD);
+        this.power = new MageInt(7);
+        this.toughness = new MageInt(7);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards named Tiama that each have different names, reveal them, put them into your hand, then shuffle.
+        this.addAbility(new ConditionalInterveningIfTriggeredAbility(new EntersBattlefieldTriggeredAbility(
+                new SearchLibraryPutInHandEffect(new TiamatTarget())),
+                CastFromEverywhereSourceCondition.instance, "When {this} enters the battlefield, " +
+                "if you cast it, search your library for up to five Dragon cards not named Tiamat " +
+                "that each have different names, reveal them, put them into your hand, then shuffle."
+        ));
+    }
+
+    private Tiamat(final Tiamat card) {
+        super(card);
+    }
+
+    @Override
+    public Tiamat copy() {
+        return new Tiamat(this);
+    }
+}
+
+class TiamatTarget extends TargetCardInLibrary {
+
+    private static final FilterCard filter
+            = new FilterCreatureCard("Dragon cards not named Tiamat that each have different names");
+
+    static {
+        filter.add(SubType.DRAGON.getPredicate());
+        filter.add(Predicates.not(new NamePredicate("Tiamat")));
+    }
+
+    TiamatTarget() {
+        super(0, 5, filter);
+    }
+
+    private TiamatTarget(final TiamatTarget target) {
+        super(target);
+    }
+
+    @Override
+    public TiamatTarget copy() {
+        return new TiamatTarget(this);
+    }
+
+    @Override
+    public boolean canTarget(UUID playerId, UUID id, Ability source, Cards cards, Game game) {
+        Card card = cards.get(id, game);
+        return card != null
+                && filter.match(card, playerId, game)
+                && this
+                .getTargets()
+                .stream()
+                .map(game::getCard)
+                .filter(Objects::nonNull)
+                .map(Card::getName)
+                .noneMatch(n -> CardUtil.haveSameNames(card, n, game));
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AdventuresInTheForgottenRealms.java b/Mage.Sets/src/mage/sets/AdventuresInTheForgottenRealms.java
index 476cd8c7abb..49c0df6b0bb 100644
--- a/Mage.Sets/src/mage/sets/AdventuresInTheForgottenRealms.java
+++ b/Mage.Sets/src/mage/sets/AdventuresInTheForgottenRealms.java
@@ -33,6 +33,7 @@ public final class AdventuresInTheForgottenRealms extends ExpansionSet {
         cards.add(new SetCardInfo("Power Word Kill", 114, Rarity.UNCOMMON, mage.cards.p.PowerWordKill.class));
         cards.add(new SetCardInfo("Prosperous Innkeeper", 200, Rarity.UNCOMMON, mage.cards.p.ProsperousInnkeeper.class));
         cards.add(new SetCardInfo("Swamp", 273, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Tiamat", 236, Rarity.MYTHIC, mage.cards.t.Tiamat.class));
         cards.add(new SetCardInfo("Vorpal Sword", 124, Rarity.RARE, mage.cards.v.VorpalSword.class));
     }
 }