[TMC] Implement Donatello, the Brains

Mage.Sets/src/mage/cards/d/DonatelloTheBrains.java

@@ -0,0 +1,89 @@
+package mage.cards.d;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.CreateTokenEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.token.MutagenToken;
+import mage.game.permanent.token.Token;
+import mage.util.CardUtil;
+
+import java.util.Map;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DonatelloTheBrains extends CardImpl {
+
+    public DonatelloTheBrains(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{U}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MUTANT);
+        this.subtype.add(SubType.NINJA);
+        this.subtype.add(SubType.TURTLE);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(4);
+
+        // If one or more tokens would be created under your control, those tokens plus a Mutagen token are created instead.
+        this.addAbility(new SimpleStaticAbility(new DonatelloTheBrainsReplacementEffect()));
+
+        // Partner--Character select
+        this.addAbility(PartnerVariantType.CHARACTER_SELECT.makeAbility());
+    }
+
+    private DonatelloTheBrains(final DonatelloTheBrains card) {
+        super(card);
+    }
+
+    @Override
+    public DonatelloTheBrains copy() {
+        return new DonatelloTheBrains(this);
+    }
+}
+
+class DonatelloTheBrainsReplacementEffect extends ReplacementEffectImpl {
+
+    DonatelloTheBrainsReplacementEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        this.staticText = "if one or more tokens would be created under your control, " +
+                "those tokens plus a Mutagen token are created instead";
+    }
+
+    private DonatelloTheBrainsReplacementEffect(final DonatelloTheBrainsReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public DonatelloTheBrainsReplacementEffect copy() {
+        return new DonatelloTheBrainsReplacementEffect(this);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.CREATE_TOKEN;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        return source.isControlledBy(event.getPlayerId());
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Map<Token, Integer> tokens = ((CreateTokenEvent) event).getTokens();
+        Token token = CardUtil
+                .castStream(tokens.values(), MutagenToken.class)
+                .findAny()
+                .orElseGet(MutagenToken::new);
+        tokens.compute(token, CardUtil::setOrIncrementValue);
+        return false;
+    }
+}

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

@@ -21,6 +21,7 @@ public final class TeenageMutantNinjaTurtlesEternal extends ExpansionSet {
 
         cards.add(new SetCardInfo("Dark Ritual", 131, Rarity.MYTHIC, mage.cards.d.DarkRitual.class));
         cards.add(new SetCardInfo("Donatello, Rad Scientist", 109, Rarity.MYTHIC, mage.cards.d.DonatelloRadScientist.class));
+        cards.add(new SetCardInfo("Donatello, the Brains", 2, Rarity.MYTHIC, mage.cards.d.DonatelloTheBrains.class));
         cards.add(new SetCardInfo("Leonardo, the Balance", 1, Rarity.MYTHIC, mage.cards.l.LeonardoTheBalance.class));
         cards.add(new SetCardInfo("Splinter, the Mentor", 3, Rarity.MYTHIC, mage.cards.s.SplinterTheMentor.class));
     }