diff --git a/Mage.Sets/src/mage/cards/r/RumblingRockslide.java b/Mage.Sets/src/mage/cards/r/RumblingRockslide.java
new file mode 100644
index 00000000000..417db3e8a20
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RumblingRockslide.java
@@ -0,0 +1,39 @@
+package mage.cards.r;
+
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledLandPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class RumblingRockslide extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterControlledLandPermanent("lands you control");
+    private static final DynamicValue xValue = new PermanentsOnBattlefieldCount(filter);
+
+    public RumblingRockslide(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{R}");
+
+        // Rumbling Rockslide deals damage to target creature equal to the number of lands you control.
+        this.getSpellAbility().addEffect(new DamageTargetEffect(xValue));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private RumblingRockslide(final RumblingRockslide card) {
+        super(card);
+    }
+
+    @Override
+    public RumblingRockslide copy() {
+        return new RumblingRockslide(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
index 6ce684ce393..8f02729a451 100644
--- a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
+++ b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
@@ -241,6 +241,7 @@ public final class IkoriaLairOfBehemoths extends ExpansionSet {
         cards.add(new SetCardInfo("Reptilian Reflection", 132, Rarity.UNCOMMON, mage.cards.r.ReptilianReflection.class));
         cards.add(new SetCardInfo("Rugged Highlands", 252, Rarity.COMMON, mage.cards.r.RuggedHighlands.class));
         cards.add(new SetCardInfo("Ruinous Ultimatum", 204, Rarity.RARE, mage.cards.r.RuinousUltimatum.class));
+        cards.add(new SetCardInfo("Rumbling Rockslide", 134, Rarity.COMMON, mage.cards.r.RumblingRockslide.class));
         cards.add(new SetCardInfo("Sanctuary Lockdown", 28, Rarity.UNCOMMON, mage.cards.s.SanctuaryLockdown.class));
         cards.add(new SetCardInfo("Sanctuary Smasher", 135, Rarity.UNCOMMON, mage.cards.s.SanctuarySmasher.class));
         cards.add(new SetCardInfo("Savai Crystal", 239, Rarity.UNCOMMON, mage.cards.s.SavaiCrystal.class));
diff --git a/Mage/src/main/java/mage/abilities/effects/common/DamageTargetEffect.java b/Mage/src/main/java/mage/abilities/effects/common/DamageTargetEffect.java
index d4db66bb450..0bdef8448f3 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/DamageTargetEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/DamageTargetEffect.java
@@ -26,7 +26,7 @@ public class DamageTargetEffect extends OneShotEffect {
     protected boolean useOnlyTargetPointer;
     protected String sourceName = "{source}";
 
-    public DamageTargetEffect(int amount) {
+    public \DamageTargetEffect(int amount) {
         this(StaticValue.get(amount), true);
     }