diff --git a/Mage.Sets/src/mage/cards/t/TailSwipe.java b/Mage.Sets/src/mage/cards/t/TailSwipe.java
new file mode 100644
index 0000000000..2b179d8008
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/t/TailSwipe.java
@@ -0,0 +1,87 @@
+package mage.cards.t;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.common.AddendumCondition;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+import mage.target.Targets;
+import mage.target.common.TargetControlledCreaturePermanent;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author weirddan455
+ */
+public final class TailSwipe extends CardImpl {
+
+    public TailSwipe(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{G}");
+
+        // Choose target creature you control and target creature you don't control.
+        // If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn.
+        // Then those creatures fight each other.
+        this.getSpellAbility().addEffect(new TailSwipeEffect());
+        this.getSpellAbility().addTarget(new TargetControlledCreaturePermanent());
+        this.getSpellAbility().addTarget(new TargetPermanent(StaticFilters.FILTER_CREATURE_YOU_DONT_CONTROL));
+    }
+
+    private TailSwipe(final TailSwipe card) {
+        super(card);
+    }
+
+    @Override
+    public TailSwipe copy() {
+        return new TailSwipe(this);
+    }
+}
+
+class TailSwipeEffect extends OneShotEffect {
+
+    public TailSwipeEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "Choose target creature you control and target creature you don't control. " +
+                "If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. " +
+                "Then those creatures fight each other. " +
+                "<i>(Each deals damage equal to its power to the other.)</i>";
+    }
+
+    private TailSwipeEffect(final TailSwipeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TailSwipeEffect copy() {
+        return new TailSwipeEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Targets targets = source.getTargets();
+        if (targets.size() < 2) {
+            return false;
+        }
+        Permanent creature1 = game.getPermanent(targets.get(0).getFirstTarget());
+        Permanent creature2 = game.getPermanent(targets.get(1).getFirstTarget());
+        if (creature1 == null) {
+            return false;
+        }
+        if (AddendumCondition.instance.apply(game, source)) {
+            game.addEffect(new BoostTargetEffect(1, 1)
+                    .setTargetPointer(new FixedTarget(creature1, game)), source);
+        }
+        if (creature2 != null) {
+            creature1.fight(creature2, source, game);
+        }
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DominariaUnited.java b/Mage.Sets/src/mage/sets/DominariaUnited.java
index faf8f91b3a..c7a418ff85 100644
--- a/Mage.Sets/src/mage/sets/DominariaUnited.java
+++ b/Mage.Sets/src/mage/sets/DominariaUnited.java
@@ -135,6 +135,7 @@ public final class DominariaUnited extends ExpansionSet {
         cards.add(new SetCardInfo("Sulfurous Springs", 256, Rarity.RARE, mage.cards.s.SulfurousSprings.class));
         cards.add(new SetCardInfo("Sunbathing Rootwalla", 181, Rarity.COMMON, mage.cards.s.SunbathingRootwalla.class));
         cards.add(new SetCardInfo("Swamp", 268, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Tail Swipe", 182, Rarity.UNCOMMON, mage.cards.t.TailSwipe.class));
         cards.add(new SetCardInfo("Take Up the Shield", 35, Rarity.COMMON, mage.cards.t.TakeUpTheShield.class));
         cards.add(new SetCardInfo("Tattered Apparition", 111, Rarity.COMMON, mage.cards.t.TatteredApparition.class));
         cards.add(new SetCardInfo("Temporal Firestorm", 147, Rarity.RARE, mage.cards.t.TemporalFirestorm.class));