Implemented Yarok, the Desecrated

Mage.Sets/src/mage/cards/y/YarokTheDesecrated.java

@@ -0,0 +1,101 @@
+package mage.cards.y;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.keyword.DeathtouchAbility;
+import mage.abilities.keyword.LifelinkAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.EntersTheBattlefieldEvent;
+import mage.game.events.GameEvent;
+import mage.game.events.NumberOfTriggersEvent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class YarokTheDesecrated extends CardImpl {
+
+    public YarokTheDesecrated(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{B}{G}{U}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.ELEMENTAL);
+        this.subtype.add(SubType.HORROR);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(5);
+
+        // Deathtouch
+        this.addAbility(DeathtouchAbility.getInstance());
+
+        // Lifelink
+        this.addAbility(LifelinkAbility.getInstance());
+
+        // If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
+        this.addAbility(new SimpleStaticAbility(new YarokTheDesecratedEffect()));
+    }
+
+    private YarokTheDesecrated(final YarokTheDesecrated card) {
+        super(card);
+    }
+
+    @Override
+    public YarokTheDesecrated copy() {
+        return new YarokTheDesecrated(this);
+    }
+}
+
+class YarokTheDesecratedEffect extends ReplacementEffectImpl {
+
+    YarokTheDesecratedEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "If a permanent entering the battlefield causes a triggered ability " +
+                "of a permanent you control to trigger, that ability triggers an additional time";
+    }
+
+    private YarokTheDesecratedEffect(final YarokTheDesecratedEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public YarokTheDesecratedEffect copy() {
+        return new YarokTheDesecratedEffect(this);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.NUMBER_OF_TRIGGERS;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (!(event instanceof NumberOfTriggersEvent)) {
+            return false;
+        }
+        NumberOfTriggersEvent numberOfTriggersEvent = (NumberOfTriggersEvent) event;
+        if (!source.isControlledBy(event.getPlayerId())) {
+            return false;
+        }
+        GameEvent sourceEvent = numberOfTriggersEvent.getSourceEvent();
+        // Only EtB triggers
+        if (sourceEvent == null
+                || sourceEvent.getType() != GameEvent.EventType.ENTERS_THE_BATTLEFIELD
+                || !(sourceEvent instanceof EntersTheBattlefieldEvent)) {
+            return false;
+        }
+        EntersTheBattlefieldEvent entersTheBattlefieldEvent = (EntersTheBattlefieldEvent) sourceEvent;
+        // Only for triggers of permanents
+        return game.getPermanent(numberOfTriggersEvent.getSourceId()) != null;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        event.setAmount(event.getAmount() + 1);
+        return false;
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2020.java

@@ -115,5 +115,6 @@ public final class CoreSet2020 extends ExpansionSet {
         cards.add(new SetCardInfo("Wakeroot Elemental", 202, Rarity.RARE, mage.cards.w.WakerootElemental.class));
         cards.add(new SetCardInfo("Wolfkin Bond", 203, Rarity.COMMON, mage.cards.w.WolfkinBond.class));
         cards.add(new SetCardInfo("Yarok's Fenlurker", 123, Rarity.UNCOMMON, mage.cards.y.YaroksFenlurker.class));
+        cards.add(new SetCardInfo("Yarok, the Desecrated", 220, Rarity.MYTHIC, mage.cards.y.YarokTheDesecrated.class));
     }
 }