Implemented Witch's Vengeance

Mage.Sets/src/mage/cards/w/WitchsVengeance.java

@@ -0,0 +1,75 @@
+package mage.cards.w;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.choices.ChoiceCreatureType;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class WitchsVengeance extends CardImpl {
+
+    public WitchsVengeance(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}");
+
+        // Creatures of the creature type of your choice get -3/-3 until end of turn.
+        this.getSpellAbility().addEffect(new WitchsVengeanceEffect());
+    }
+
+    private WitchsVengeance(final WitchsVengeance card) {
+        super(card);
+    }
+
+    @Override
+    public WitchsVengeance copy() {
+        return new WitchsVengeance(this);
+    }
+}
+
+class WitchsVengeanceEffect extends OneShotEffect {
+
+    WitchsVengeanceEffect() {
+        super(Outcome.Benefit);
+        staticText = "Creatures of the creature type of your choice get -3/-3 until end of turn.";
+    }
+
+    private WitchsVengeanceEffect(final WitchsVengeanceEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public WitchsVengeanceEffect copy() {
+        return new WitchsVengeanceEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        ChoiceCreatureType choice = new ChoiceCreatureType();
+        if (!player.choose(outcome, choice, game)) {
+            return false;
+        }
+        FilterCreaturePermanent filter = new FilterCreaturePermanent();
+        filter.add(new SubtypePredicate(SubType.byDescription(choice.getChoice())));
+        game.addEffect(new BoostAllEffect(
+                -3, -3, Duration.EndOfTurn, filter, false
+        ), source);
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/ThroneOfEldraine.java

@@ -111,6 +111,7 @@ public final class ThroneOfEldraine extends ExpansionSet {
         cards.add(new SetCardInfo("Wintermoor Commander", 205, Rarity.UNCOMMON, mage.cards.w.WintermoorCommander.class));
         cards.add(new SetCardInfo("Wishful Merfolk", 73, Rarity.COMMON, mage.cards.w.WishfulMerfolk.class));
         cards.add(new SetCardInfo("Witch's Cottage", 249, Rarity.COMMON, mage.cards.w.WitchsCottage.class));
+        cards.add(new SetCardInfo("Witch's Vengeance", 111, Rarity.RARE, mage.cards.w.WitchsVengeance.class));
         cards.add(new SetCardInfo("Witching Well", 74, Rarity.COMMON, mage.cards.w.WitchingWell.class));
         cards.add(new SetCardInfo("Workshop Elders", 318, Rarity.RARE, mage.cards.w.WorkshopElders.class));