diff --git a/Mage.Sets/src/mage/cards/i/IridianMaelstrom.java b/Mage.Sets/src/mage/cards/i/IridianMaelstrom.java
new file mode 100644
index 00000000000..c9f442033d1
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/i/IridianMaelstrom.java
@@ -0,0 +1,50 @@
+package mage.cards.i;
+
+import mage.abilities.effects.common.DestroyAllEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.Predicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class IridianMaelstrom extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent();
+
+    static {
+        filter.add(IridianMaelstromPredicate.instance);
+    }
+
+    public IridianMaelstrom(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{W}{U}{B}{R}{G}");
+
+        // Destroy each creature that isn't all colors.
+        this.getSpellAbility().addEffect(new DestroyAllEffect(filter).setText("destroy each creature that isn't all colors"));
+    }
+
+    private IridianMaelstrom(final IridianMaelstrom card) {
+        super(card);
+    }
+
+    @Override
+    public IridianMaelstrom copy() {
+        return new IridianMaelstrom(this);
+    }
+}
+
+enum IridianMaelstromPredicate implements Predicate<Permanent> {
+    instance;
+
+    @Override
+    public boolean apply(Permanent input, Game game) {
+        return input.getColor(game).getColorCount() < 5;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DominariaUnitedCommander.java b/Mage.Sets/src/mage/sets/DominariaUnitedCommander.java
index f1723f80d91..3947adda4b0 100644
--- a/Mage.Sets/src/mage/sets/DominariaUnitedCommander.java
+++ b/Mage.Sets/src/mage/sets/DominariaUnitedCommander.java
@@ -24,6 +24,7 @@ public final class DominariaUnitedCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Cascading Cataracts", 202, Rarity.RARE, mage.cards.c.CascadingCataracts.class));
         cards.add(new SetCardInfo("Crystal Quarry", 206, Rarity.RARE, mage.cards.c.CrystalQuarry.class));
         cards.add(new SetCardInfo("Faeburrow Elder", 149, Rarity.RARE, mage.cards.f.FaeburrowElder.class));
+        cards.add(new SetCardInfo("Iridian Maelstrom", 12, Rarity.RARE, mage.cards.i.IridianMaelstrom.class));
         cards.add(new SetCardInfo("Maelstrom Nexus", 159, Rarity.MYTHIC, mage.cards.m.MaelstromNexus.class));
         cards.add(new SetCardInfo("Murmuring Bosk", 220, Rarity.RARE, mage.cards.m.MurmuringBosk.class));
         cards.add(new SetCardInfo("Nethroi, Apex of Death", 163, Rarity.MYTHIC, mage.cards.n.NethroiApexOfDeath.class));