diff --git a/Mage.Sets/src/mage/cards/u/UndercoverCrocodelf.java b/Mage.Sets/src/mage/cards/u/UndercoverCrocodelf.java
new file mode 100644
index 00000000000..2f4d3d3cc4a
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/u/UndercoverCrocodelf.java
@@ -0,0 +1,44 @@
+package mage.cards.u;
+
+import mage.MageInt;
+import mage.abilities.common.DealsCombatDamageToAPlayerTriggeredAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.keyword.InvestigateEffect;
+import mage.abilities.keyword.DisguiseAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class UndercoverCrocodelf extends CardImpl {
+
+    public UndercoverCrocodelf(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{G}{U}");
+
+        this.subtype.add(SubType.ELF);
+        this.subtype.add(SubType.CROCODILE);
+        this.subtype.add(SubType.DETECTIVE);
+        this.power = new MageInt(5);
+        this.toughness = new MageInt(5);
+
+        // Whenever Undercover Crocodelf deals combat damage to a player, investigate.
+        this.addAbility(new DealsCombatDamageToAPlayerTriggeredAbility(new InvestigateEffect(), false));
+
+        // Disguise {3}{G/U}{G/U}
+        this.addAbility(new DisguiseAbility(this, new ManaCostsImpl<>("{3}{G/U}{G/U}")));
+    }
+
+    private UndercoverCrocodelf(final UndercoverCrocodelf card) {
+        super(card);
+    }
+
+    @Override
+    public UndercoverCrocodelf copy() {
+        return new UndercoverCrocodelf(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
index d323d4bf733..087701cd031 100644
--- a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
+++ b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
@@ -76,6 +76,7 @@ public final class MurdersAtKarlovManor extends ExpansionSet {
         cards.add(new SetCardInfo("Topiary Panther", 179, Rarity.COMMON, mage.cards.t.TopiaryPanther.class));
         cards.add(new SetCardInfo("Trostani, Three Whispers", 238, Rarity.MYTHIC, mage.cards.t.TrostaniThreeWhispers.class));
         cards.add(new SetCardInfo("Undercity Sewers", 270, Rarity.RARE, mage.cards.u.UndercitySewers.class));
+        cards.add(new SetCardInfo("Undercover Crocodelf", 239, Rarity.COMMON, mage.cards.u.UndercoverCrocodelf.class));
         cards.add(new SetCardInfo("Underground Mortuary", 271, Rarity.RARE, mage.cards.u.UndergroundMortuary.class));
         cards.add(new SetCardInfo("Warleader's Call", 242, Rarity.RARE, mage.cards.w.WarleadersCall.class));
         cards.add(new SetCardInfo("Wojek Investigator", 36, Rarity.RARE, mage.cards.w.WojekInvestigator.class));