diff --git a/Mage.Sets/src/mage/cards/r/RegalLeosaur.java b/Mage.Sets/src/mage/cards/r/RegalLeosaur.java
new file mode 100644
index 00000000000..da3993b7e8b
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RegalLeosaur.java
@@ -0,0 +1,45 @@
+package mage.cards.r;
+
+import mage.MageInt;
+import mage.abilities.common.MutatesSourceTriggeredAbility;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.keyword.MutateAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class RegalLeosaur extends CardImpl {
+
+    public RegalLeosaur(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{R}{W}");
+
+        this.subtype.add(SubType.DINOSAUR);
+        this.subtype.add(SubType.CAT);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Mutate {1}{R/W}{R/W}
+        this.addAbility(new MutateAbility(this, "{1}{R/W}{R/W}"));
+
+        // Whenever this creature mutates, other creatures you control get +2/+1 until end of turn.
+        this.addAbility(new MutatesSourceTriggeredAbility(
+                new BoostControlledEffect(2, 1, Duration.EndOfTurn, false)
+        ));
+    }
+
+    private RegalLeosaur(final RegalLeosaur card) {
+        super(card);
+    }
+
+    @Override
+    public RegalLeosaur copy() {
+        return new RegalLeosaur(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
index 02507eca694..984daf61254 100644
--- a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
+++ b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
@@ -155,6 +155,7 @@ public final class IkoriaLairOfBehemoths extends ExpansionSet {
         cards.add(new SetCardInfo("Raugrin Crystal", 238, Rarity.UNCOMMON, mage.cards.r.RaugrinCrystal.class));
         cards.add(new SetCardInfo("Raugrin Triome", 251, Rarity.RARE, mage.cards.r.RaugrinTriome.class));
         cards.add(new SetCardInfo("Reconnaissance Mission", 65, Rarity.UNCOMMON, mage.cards.r.ReconnaissanceMission.class));
+        cards.add(new SetCardInfo("Regal Leosaur", 202, Rarity.UNCOMMON, mage.cards.r.RegalLeosaur.class));
         cards.add(new SetCardInfo("Ruinous Ultimatum", 204, Rarity.RARE, mage.cards.r.RuinousUltimatum.class));
         cards.add(new SetCardInfo("Sanctuary Lockdown", 28, Rarity.UNCOMMON, mage.cards.s.SanctuaryLockdown.class));
         cards.add(new SetCardInfo("Sanctuary Smasher", 135, Rarity.UNCOMMON, mage.cards.s.SanctuarySmasher.class));