diff --git a/Mage.Sets/src/mage/cards/u/UnrulyKrasis.java b/Mage.Sets/src/mage/cards/u/UnrulyKrasis.java
new file mode 100644
index 00000000000..b48ac0fe224
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/u/UnrulyKrasis.java
@@ -0,0 +1,90 @@
+package mage.cards.u;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.effects.ContinuousEffect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.SetBasePowerToughnessTargetEffect;
+import mage.abilities.keyword.AdaptAbility;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetControlledCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public final class UnrulyKrasis extends CardImpl {
+
+    public UnrulyKrasis(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}{U}");
+
+        this.subtype.add(SubType.SHARK);
+        this.subtype.add(SubType.OCTOPUS);
+        this.subtype.add(SubType.LIZARD);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // Whenever Unruly Krasis attacks, you may have the base power and toughness of another target creature you control become X/X until end of turn, where X is Unruly Krasis's power.
+        Ability ability = new AttacksTriggeredAbility(new UnrulyKrasisEffect(), true);
+        ability.addTarget(new TargetControlledCreaturePermanent(StaticFilters.FILTER_ANOTHER_TARGET_CREATURE_YOU_CONTROL));
+        this.addAbility(ability);
+
+        // {3}{G}{U}: Adapt 3.
+        this.addAbility(new AdaptAbility(3, "{3}{G}{U}"));
+    }
+
+    private UnrulyKrasis(final UnrulyKrasis card) {
+        super(card);
+    }
+
+    @Override
+    public UnrulyKrasis copy() {
+        return new UnrulyKrasis(this);
+    }
+}
+
+class UnrulyKrasisEffect extends OneShotEffect {
+
+    UnrulyKrasisEffect() {
+        super(Outcome.BoostCreature);
+        staticText = "have the base power and toughness of another target creature you control "
+                + "become X/X until end of turn, where X is {this}'s power";
+    }
+
+    private UnrulyKrasisEffect(final UnrulyKrasisEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public UnrulyKrasisEffect copy() {
+        return new UnrulyKrasisEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = source.getSourcePermanentOrLKI(game);
+        if (permanent == null) {
+            return false;
+        }
+
+        int xValue = permanent.getPower().getValue();
+        ContinuousEffect effect = new SetBasePowerToughnessTargetEffect(xValue, xValue, Duration.EndOfTurn);
+        effect.setTargetPointer(getTargetPointer().copy());
+        game.addEffect(effect, source);
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/RavnicaClueEdition.java b/Mage.Sets/src/mage/sets/RavnicaClueEdition.java
index bbdc4825ff8..2948937daf7 100644
--- a/Mage.Sets/src/mage/sets/RavnicaClueEdition.java
+++ b/Mage.Sets/src/mage/sets/RavnicaClueEdition.java
@@ -254,6 +254,7 @@ public final class RavnicaClueEdition extends ExpansionSet {
         cards.add(new SetCardInfo("Twilight Panther", 78, Rarity.COMMON, mage.cards.t.TwilightPanther.class));
         cards.add(new SetCardInfo("Undercover Butler", 49, Rarity.UNCOMMON, mage.cards.u.UndercoverButler.class));
         cards.add(new SetCardInfo("Underrealm Lich", 215, Rarity.MYTHIC, mage.cards.u.UnderrealmLich.class));
+        cards.add(new SetCardInfo("Unruly Krasis", 50, Rarity.RARE, mage.cards.u.UnrulyKrasis.class));
         cards.add(new SetCardInfo("Urbis Protector", 79, Rarity.UNCOMMON, mage.cards.u.UrbisProtector.class));
         cards.add(new SetCardInfo("Utvara Scalper", 153, Rarity.COMMON, mage.cards.u.UtvaraScalper.class));
         cards.add(new SetCardInfo("Venomous Hierophant", 125, Rarity.COMMON, mage.cards.v.VenomousHierophant.class));