diff --git a/Mage.Sets/src/mage/cards/l/LeoninVanguard.java b/Mage.Sets/src/mage/cards/l/LeoninVanguard.java
new file mode 100644
index 00000000000..3d465d6ef16
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/l/LeoninVanguard.java
@@ -0,0 +1,60 @@
+package mage.cards.l;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfCombatTriggeredAbility;
+import mage.abilities.condition.common.PermanentsOnTheBattlefieldCondition;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.continuous.BoostSourceEffect;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.ComparisonType;
+import mage.constants.Duration;
+import mage.constants.TargetController;
+import mage.filter.StaticFilters;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class LeoninVanguard extends CardImpl {
+
+    public LeoninVanguard(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{W}");
+
+        this.subtype.add(SubType.CAT);
+        this.subtype.add(SubType.SOLDIER);
+        this.power = new MageInt(1);
+        this.toughness = new MageInt(1);
+
+        // At the beginning of combat on your turn, if you control three or more creatures, Leonin Vanguard gets +1/+1 until end of turn and you gain 1 life.
+        Ability ability = new ConditionalTriggeredAbility(
+                new BeginningOfCombatTriggeredAbility(
+                        new BoostSourceEffect(1, 1, Duration.EndOfTurn),
+                        TargetController.YOU, false
+                ),
+                new PermanentsOnTheBattlefieldCondition(
+                        StaticFilters.FILTER_CONTROLLED_CREATURES,
+                        ComparisonType.MORE_THAN, 2
+                ),
+                "At the beginning of combat on your turn, "
+                + "if you control three or more creatures, "
+                + "{this} gets +1/+1 until end of turn and you gain 1 life."
+        );
+        ability.addEffect(new GainLifeEffect(1));
+        this.addAbility(ability);
+    }
+
+    public LeoninVanguard(final LeoninVanguard card) {
+        super(card);
+    }
+
+    @Override
+    public LeoninVanguard copy() {
+        return new LeoninVanguard(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CoreSet2019.java b/Mage.Sets/src/mage/sets/CoreSet2019.java
index ee46adada59..193fe1896c5 100644
--- a/Mage.Sets/src/mage/sets/CoreSet2019.java
+++ b/Mage.Sets/src/mage/sets/CoreSet2019.java
@@ -134,6 +134,7 @@ public final class CoreSet2019 extends ExpansionSet {
         cards.add(new SetCardInfo("Lathliss, Dragon Queen", 149, Rarity.RARE, mage.cards.l.LathlissDragonQueen.class));
         cards.add(new SetCardInfo("Lava Axe", 150, Rarity.COMMON, mage.cards.l.LavaAxe.class));
         cards.add(new SetCardInfo("Lena, Selfless Champion", 21, Rarity.RARE, mage.cards.l.LenaSelflessChampion.class));
+        cards.add(new SetCardInfo("Leonin Vanguard", 22, Rarity.UNCOMMON, mage.cards.l.LeoninVanguard.class));
         cards.add(new SetCardInfo("Leonin Warleader", 23, Rarity.RARE, mage.cards.l.LeoninWarleader.class));
         cards.add(new SetCardInfo("Lich's Caress", 105, Rarity.COMMON, mage.cards.l.LichsCaress.class));
         cards.add(new SetCardInfo("Lightning Mare", 151, Rarity.UNCOMMON, mage.cards.l.LightningMare.class));
diff --git a/Mage/src/main/java/mage/abilities/decorator/ConditionalTriggeredAbility.java b/Mage/src/main/java/mage/abilities/decorator/ConditionalTriggeredAbility.java
index a450227a675..0410a5b3a61 100644
--- a/Mage/src/main/java/mage/abilities/decorator/ConditionalTriggeredAbility.java
+++ b/Mage/src/main/java/mage/abilities/decorator/ConditionalTriggeredAbility.java
@@ -4,6 +4,7 @@ import mage.abilities.Modes;
 import mage.abilities.TriggeredAbility;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.condition.Condition;
+import mage.abilities.effects.Effect;
 import mage.abilities.effects.Effects;
 import mage.constants.EffectType;
 import mage.game.Game;
@@ -80,6 +81,11 @@ public class ConditionalTriggeredAbility extends TriggeredAbilityImpl {
         return ability.getEffects();
     }
 
+    @Override
+    public void addEffect(Effect effect) {
+        ability.addEffect(effect);
+    }
+
     @Override
     public Modes getModes() {
         return ability.getModes();