diff --git a/Mage.Sets/src/mage/cards/s/SerpentineAmbush.java b/Mage.Sets/src/mage/cards/s/SerpentineAmbush.java
new file mode 100644
index 0000000000..77c4d9c2a8
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SerpentineAmbush.java
@@ -0,0 +1,95 @@
+package mage.cards.s;
+
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SerpentineAmbush extends CardImpl {
+
+    public SerpentineAmbush(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{1}{U}");
+
+        // Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.
+        this.getSpellAbility().addEffect(new SerpentineAmbushEffect());
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private SerpentineAmbush(final SerpentineAmbush card) {
+        super(card);
+    }
+
+    @Override
+    public SerpentineAmbush copy() {
+        return new SerpentineAmbush(this);
+    }
+}
+
+class SerpentineAmbushEffect extends ContinuousEffectImpl {
+
+    SerpentineAmbushEffect() {
+        super(Duration.EndOfTurn, Outcome.Benefit);
+        staticText = "until end of turn, target creature becomes " +
+                "a blue Serpent with base power and toughness 5/5";
+    }
+
+    private SerpentineAmbushEffect(final SerpentineAmbushEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SerpentineAmbushEffect copy() {
+        return new SerpentineAmbushEffect(this);
+    }
+
+    @Override
+    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
+        Permanent permanent = game.getPermanent(getTargetPointer().getFirst(game, source));
+        if (permanent == null) {
+            discard();
+            return false;
+        }
+        switch (layer) {
+            case TypeChangingEffects_4:
+                permanent.removeAllCreatureTypes(game);
+                permanent.addSubType(game, SubType.SERPENT);
+                return true;
+            case ColorChangingEffects_5:
+                permanent.getColor(game).setColor(ObjectColor.BLUE);
+                return true;
+            case PTChangingEffects_7:
+                if (sublayer == SubLayer.SetPT_7b) {
+                    permanent.getPower().setValue(5);
+                    permanent.getToughness().setValue(5);
+                    return true;
+                }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return false;
+    }
+
+    @Override
+    public boolean hasLayer(Layer layer) {
+        switch (layer) {
+            case TypeChangingEffects_4:
+            case ColorChangingEffects_5:
+            case PTChangingEffects_7:
+                return true;
+        }
+        return false;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/InnistradCrimsonVow.java b/Mage.Sets/src/mage/sets/InnistradCrimsonVow.java
index 2fa6ba533b..084ceddba8 100644
--- a/Mage.Sets/src/mage/sets/InnistradCrimsonVow.java
+++ b/Mage.Sets/src/mage/sets/InnistradCrimsonVow.java
@@ -225,6 +225,7 @@ public final class InnistradCrimsonVow extends ExpansionSet {
         cards.add(new SetCardInfo("Sawblade Slinger", 217, Rarity.UNCOMMON, mage.cards.s.SawbladeSlinger.class));
         cards.add(new SetCardInfo("Scattered Thoughts", 74, Rarity.COMMON, mage.cards.s.ScatteredThoughts.class));
         cards.add(new SetCardInfo("Selhoff Entomber", 76, Rarity.COMMON, mage.cards.s.SelhoffEntomber.class));
+        cards.add(new SetCardInfo("Serpentine Ambush", 77, Rarity.COMMON, mage.cards.s.SerpentineAmbush.class));
         cards.add(new SetCardInfo("Shattered Sanctum", 264, Rarity.RARE, mage.cards.s.ShatteredSanctum.class));
         cards.add(new SetCardInfo("Sheltering Boughs", 218, Rarity.COMMON, mage.cards.s.ShelteringBoughs.class));
         cards.add(new SetCardInfo("Sigarda's Imprisonment", 35, Rarity.COMMON, mage.cards.s.SigardasImprisonment.class));