diff --git a/Mage.Sets/src/mage/cards/d/DelugeOfDoom.java b/Mage.Sets/src/mage/cards/d/DelugeOfDoom.java
new file mode 100644
index 00000000000..a8cf96890c3
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/d/DelugeOfDoom.java
@@ -0,0 +1,39 @@
+package mage.cards.d;
+
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.CardTypesInGraveyardCount;
+import mage.abilities.dynamicvalue.common.SignInversionDynamicValue;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.abilities.hint.common.CardTypesInGraveyardHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DelugeOfDoom extends CardImpl {
+
+    private static final DynamicValue xValue = new SignInversionDynamicValue(CardTypesInGraveyardCount.YOU);
+
+    public DelugeOfDoom(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{2}{B}");
+
+        // All creatures get -X/-X until end of turn, where X is the number of card types among cards in your graveyard.
+        this.getSpellAbility().addEffect(new BoostAllEffect(xValue, xValue, Duration.EndOfTurn)
+                .setText("all creatures get -X/-X until end of turn, where X is the number of card types among cards in your graveyard"));
+        this.getSpellAbility().addHint(CardTypesInGraveyardHint.YOU);
+    }
+
+    private DelugeOfDoom(final DelugeOfDoom card) {
+        super(card);
+    }
+
+    @Override
+    public DelugeOfDoom copy() {
+        return new DelugeOfDoom(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DuskmournHouseOfHorrorCommander.java b/Mage.Sets/src/mage/sets/DuskmournHouseOfHorrorCommander.java
index d9dd4655865..c569f356e27 100644
--- a/Mage.Sets/src/mage/sets/DuskmournHouseOfHorrorCommander.java
+++ b/Mage.Sets/src/mage/sets/DuskmournHouseOfHorrorCommander.java
@@ -62,6 +62,7 @@ public final class DuskmournHouseOfHorrorCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Damn", 369, Rarity.MYTHIC, mage.cards.d.Damn.class));
         cards.add(new SetCardInfo("Deathmist Raptor", 176, Rarity.MYTHIC, mage.cards.d.DeathmistRaptor.class));
         cards.add(new SetCardInfo("Deathreap Ritual", 86, Rarity.UNCOMMON, mage.cards.d.DeathreapRitual.class));
+        cards.add(new SetCardInfo("Deluge of Doom", 18, Rarity.RARE, mage.cards.d.DelugeOfDoom.class));
         cards.add(new SetCardInfo("Demolisher Spawn", 31, Rarity.RARE, mage.cards.d.DemolisherSpawn.class));
         cards.add(new SetCardInfo("Demon of Fate's Design", 137, Rarity.RARE, mage.cards.d.DemonOfFatesDesign.class));
         cards.add(new SetCardInfo("Diabolic Vision", 87, Rarity.UNCOMMON, mage.cards.d.DiabolicVision.class));