diff --git a/Mage.Sets/src/mage/cards/m/MassacreGirl.java b/Mage.Sets/src/mage/cards/m/MassacreGirl.java
new file mode 100644
index 0000000000..239068f35b
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MassacreGirl.java
@@ -0,0 +1,106 @@
+package mage.cards.m;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.abilities.keyword.MenaceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MassacreGirl extends CardImpl {
+
+    public MassacreGirl(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}{B}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.ASSASSIN);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Menace
+        this.addAbility(new MenaceAbility());
+
+        // When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new MassacreGirlEffect()));
+    }
+
+    private MassacreGirl(final MassacreGirl card) {
+        super(card);
+    }
+
+    @Override
+    public MassacreGirl copy() {
+        return new MassacreGirl(this);
+    }
+}
+
+class MassacreGirlEffect extends OneShotEffect {
+
+    MassacreGirlEffect() {
+        super(Outcome.Benefit);
+        staticText = "each other creature gets -1/-1 until end of turn. " +
+                "Whenever a creature dies this turn, " +
+                "each creature other than {this} gets -1/-1 until end of turn.";
+    }
+
+    private MassacreGirlEffect(final MassacreGirlEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public MassacreGirlEffect copy() {
+        return new MassacreGirlEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        game.addEffect(new BoostAllEffect(-1, -1, Duration.EndOfTurn, true), source);
+        game.addDelayedTriggeredAbility(new MassacreGirlDelayedTriggeredAbility());
+        return true;
+    }
+}
+
+class MassacreGirlDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    MassacreGirlDelayedTriggeredAbility() {
+        super(new BoostAllEffect(-1, -1, Duration.EndOfTurn, true), Duration.EndOfTurn, false);
+    }
+
+    private MassacreGirlDelayedTriggeredAbility(final MassacreGirlDelayedTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+        return zEvent.isDiesEvent() && zEvent.getTarget().isCreature();
+    }
+
+    @Override
+    public MassacreGirlDelayedTriggeredAbility copy() {
+        return new MassacreGirlDelayedTriggeredAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever a creature dies this turn, each creature other than {this} gets -1/-1 until end of turn";
+    }
+}
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/WarOfTheSpark.java b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
index b6aea76e17..fd534a64d8 100644
--- a/Mage.Sets/src/mage/sets/WarOfTheSpark.java
+++ b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
@@ -83,6 +83,7 @@ public final class WarOfTheSpark extends ExpansionSet {
         cards.add(new SetCardInfo("Liliana, Dreadhorde General", 97, Rarity.MYTHIC, mage.cards.l.LilianaDreadhordeGeneral.class));
         cards.add(new SetCardInfo("Loxodon Sergeant", 21, Rarity.COMMON, mage.cards.l.LoxodonSergeant.class));
         cards.add(new SetCardInfo("Makeshift Battalion", 22, Rarity.COMMON, mage.cards.m.MakeshiftBattalion.class));
+        cards.add(new SetCardInfo("Massacre Girl", 99, Rarity.RARE, mage.cards.m.MassacreGirl.class));
         cards.add(new SetCardInfo("Merfolk Skydiver", 205, Rarity.UNCOMMON, mage.cards.m.MerfolkSkydiver.class));
         cards.add(new SetCardInfo("Mizzium Tank", 138, Rarity.RARE, mage.cards.m.MizziumTank.class));
         cards.add(new SetCardInfo("Mountain", 260, Rarity.LAND, mage.cards.basiclands.Mountain.class, NON_FULL_USE_VARIOUS));