[TMC] Implement Splinter, the Mentor

Mage.Sets/src/mage/cards/s/SplinterTheMentor.java

@@ -0,0 +1,57 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.common.LeavesBattlefieldAllTriggeredAbility;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.keyword.MenaceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.PartnerVariantType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.FilterPermanent;
+import mage.filter.FilterPermanentThisOrAnother;
+import mage.filter.StaticFilters;
+import mage.game.permanent.token.MutagenToken;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SplinterTheMentor extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterPermanentThisOrAnother(
+            StaticFilters.FILTER_CONTROLLED_CREATURE_NON_TOKEN, false
+    );
+
+    public SplinterTheMentor(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{B}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MUTANT);
+        this.subtype.add(SubType.NINJA);
+        this.subtype.add(SubType.RAT);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Menace
+        this.addAbility(new MenaceAbility());
+
+        // Whenever Splinter or another nontoken creature you control leaves the battlefield, create a Mutagen token.
+        this.addAbility(new LeavesBattlefieldAllTriggeredAbility(new CreateTokenEffect(new MutagenToken()), filter));
+
+        // Partner--Character select
+        this.addAbility(PartnerVariantType.CHARACTER_SELECT.makeAbility());
+    }
+
+    private SplinterTheMentor(final SplinterTheMentor card) {
+        super(card);
+    }
+
+    @Override
+    public SplinterTheMentor copy() {
+        return new SplinterTheMentor(this);
+    }
+}

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

@@ -22,5 +22,6 @@ 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("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));
     }
 }

Mage/src/main/java/mage/constants/SubType.java

@@ -64,6 +64,7 @@ public enum SubType {
     JUNK("Junk", SubTypeSet.ArtifactType),
     LANDER("Lander", SubTypeSet.ArtifactType),
     MAP("Map", SubTypeSet.ArtifactType),
+    MUTAGEN("Mutagen", SubTypeSet.ArtifactType),
     POWERSTONE("Powerstone", SubTypeSet.ArtifactType),
     SPACECRAFT("Spacecraft", SubTypeSet.ArtifactType),
     TREASURE("Treasure", SubTypeSet.ArtifactType),

Mage/src/main/java/mage/game/permanent/token/MutagenToken.java

@@ -0,0 +1,40 @@
+package mage.game.permanent.token;
+
+import mage.abilities.Ability;
+import mage.abilities.common.ActivateAsSorceryActivatedAbility;
+import mage.abilities.costs.common.SacrificeSourceCost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.common.counter.AddCountersTargetEffect;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ * @author TheElk801
+ */
+public final class MutagenToken extends TokenImpl {
+
+    public MutagenToken() {
+        super("Mutagen Token", "Mutagen token");
+        cardType.add(CardType.ARTIFACT);
+        subtype.add(SubType.MUTAGEN);
+
+        Ability ability = new ActivateAsSorceryActivatedAbility(
+                new AddCountersTargetEffect(CounterType.P1P1.createInstance()), new GenericManaCost(1)
+        );
+        ability.addCost(new TapSourceCost());
+        ability.addCost(new SacrificeSourceCost().setText("sacrifice this token"));
+        ability.addTarget(new TargetCreaturePermanent());
+        this.addAbility(ability);
+    }
+
+    private MutagenToken(final MutagenToken token) {
+        super(token);
+    }
+
+    public MutagenToken copy() {
+        return new MutagenToken(this);
+    }
+}