diff --git a/Mage.Sets/src/mage/cards/t/Themberchaud.java b/Mage.Sets/src/mage/cards/t/Themberchaud.java
new file mode 100644
index 00000000000..e98645101ba
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/t/Themberchaud.java
@@ -0,0 +1,78 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BecomesExertSourceTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.DamageAllEffect;
+import mage.abilities.effects.common.DamagePlayersEffect;
+import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.abilities.keyword.ExertAbility;
+import mage.abilities.keyword.FlyingAbility;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.AbilityPredicate;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class Themberchaud extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent();
+
+    static {
+        filter.add(AnotherPredicate.instance);
+        filter.add(new AbilityPredicate(FlyingAbility.class));
+    }
+
+    private static final DynamicValue xValue
+            = new PermanentsOnBattlefieldCount(new FilterControlledPermanent(SubType.MOUNTAIN));
+    private static final Hint hint = new ValueHint("Mountains you control", xValue);
+
+    public Themberchaud(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{R}{R}{R}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.DRAGON);
+        this.power = new MageInt(5);
+        this.toughness = new MageInt(5);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // When Themberchaud enters the battlefield, he deals X damage to each other creature without flying and each player, where X is the number of Mountains you control.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new DamageAllEffect(xValue, filter)
+                .setText("he deals X damage to each other creature without flying"));
+        ability.addEffect(new DamagePlayersEffect(Outcome.Damage, xValue)
+                .setText("and each player, where X is the number of Mountains you control"));
+        this.addAbility(ability.addHint(hint));
+
+        // You may exert Themberchaud as he attacks. When you do, he gains flying until end of turn.
+        this.addAbility(new ExertAbility(new BecomesExertSourceTriggeredAbility(
+                new GainAbilitySourceEffect(
+                        FlyingAbility.getInstance(), Duration.EndOfTurn
+                ).setText("he gains flying until end of turn")
+        )));
+    }
+
+    private Themberchaud(final Themberchaud card) {
+        super(card);
+    }
+
+    @Override
+    public Themberchaud copy() {
+        return new Themberchaud(this);
+    }
+}