diff --git a/Mage.Sets/src/mage/cards/t/Thunderclap.java b/Mage.Sets/src/mage/cards/t/Thunderclap.java
new file mode 100644
index 00000000000..e4f0731f42a
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/t/Thunderclap.java
@@ -0,0 +1,74 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.cards.t;
+
+import java.util.UUID;
+import mage.abilities.costs.AlternativeCostSourceAbility;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.target.common.TargetControlledPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author TheElk801
+ */
+public class Thunderclap extends CardImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent("a Mountain");
+
+    static {
+        filter.add(new SubtypePredicate(SubType.MOUNTAIN));
+    }
+
+    public Thunderclap(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{2}{R}");
+
+        // You may sacrifice a Mountain rather than pay Thunderclap's mana cost.
+        this.addAbility(new AlternativeCostSourceAbility(new SacrificeTargetCost(new TargetControlledPermanent(filter))));
+
+        // Thunderclap deals 3 damage to target creature.
+        this.getSpellAbility().addEffect(new DamageTargetEffect(3));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    public Thunderclap(final Thunderclap card) {
+        super(card);
+    }
+
+    @Override
+    public Thunderclap copy() {
+        return new Thunderclap(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MercadianMasques.java b/Mage.Sets/src/mage/sets/MercadianMasques.java
index 2e279116040..160c10d6a4b 100644
--- a/Mage.Sets/src/mage/sets/MercadianMasques.java
+++ b/Mage.Sets/src/mage/sets/MercadianMasques.java
@@ -320,6 +320,7 @@ public class MercadianMasques extends ExpansionSet {
         cards.add(new SetCardInfo("Thermal Glider", 53, Rarity.COMMON, mage.cards.t.ThermalGlider.class));
         cards.add(new SetCardInfo("Thieves' Auction", 218, Rarity.RARE, mage.cards.t.ThievesAuction.class));
         cards.add(new SetCardInfo("Thrashing Wumpus", 166, Rarity.RARE, mage.cards.t.ThrashingWumpus.class));
+        cards.add(new SetCardInfo("Thunderclap", 219, Rarity.COMMON, mage.cards.t.Thunderclap.class));
         cards.add(new SetCardInfo("Thwart", 108, Rarity.UNCOMMON, mage.cards.t.Thwart.class));
         cards.add(new SetCardInfo("Tidal Bore", 109, Rarity.COMMON, mage.cards.t.TidalBore.class));
         cards.add(new SetCardInfo("Tidal Kraken", 110, Rarity.RARE, mage.cards.t.TidalKraken.class));