[MH3] Implement Idol of False Gods

Mage.Sets/src/mage/cards/i/IdolOfFalseGods.java

@@ -0,0 +1,124 @@
+package mage.cards.i;
+
+import mage.abilities.Ability;
+import mage.abilities.common.DiesCreatureTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.keyword.AnnihilatorAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.EldraziSpawnToken;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class IdolOfFalseGods extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterControlledPermanent(SubType.ELDRAZI, "another Eldrazi you control");
+
+    static {
+        filter.add(AnotherPredicate.instance);
+    }
+
+    public IdolOfFalseGods(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.TRIBAL, CardType.ARTIFACT}, "{2}");
+
+        this.subtype.add(SubType.ELDRAZI);
+
+        // {1}{C}, {T}: Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add {C}."
+        Ability ability = new SimpleActivatedAbility(
+                new CreateTokenEffect(new EldraziSpawnToken()), new ManaCostsImpl<>("{1}{C}")
+        );
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+
+        // Whenever another Eldrazi you control dies, put a +1/+1 counter on Idol of False Gods.
+        this.addAbility(new DiesCreatureTriggeredAbility(
+                new AddCountersSourceEffect(CounterType.P1P1.createInstance()), false, filter
+        ));
+
+        // As long as Idol of False Gods has eight or more +1/+1 counters on it, it's a 0/0 creature in addition to its other types and it has annihilator 2.
+        this.addAbility(new SimpleStaticAbility(new IdolOfFalseGodsEffect()));
+    }
+
+    private IdolOfFalseGods(final IdolOfFalseGods card) {
+        super(card);
+    }
+
+    @Override
+    public IdolOfFalseGods copy() {
+        return new IdolOfFalseGods(this);
+    }
+}
+
+class IdolOfFalseGodsEffect extends ContinuousEffectImpl {
+
+    IdolOfFalseGodsEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "as long as {this} has eight or more +1/+1 counters on it, " +
+                "it's a 0/0 creature in addition to its other types and it has annihilator 2";
+    }
+
+    private IdolOfFalseGodsEffect(final IdolOfFalseGodsEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public IdolOfFalseGodsEffect copy() {
+        return new IdolOfFalseGodsEffect(this);
+    }
+
+    @Override
+    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (permanent == null || permanent.getCounters(game).getCount(CounterType.P1P1) < 8) {
+            return false;
+        }
+        switch (layer) {
+            case TypeChangingEffects_4:
+                permanent.addCardType(game, CardType.CREATURE);
+                return true;
+            case AbilityAddingRemovingEffects_6:
+                permanent.addAbility(new AnnihilatorAbility(2), source.getSourceId(), game);
+                return true;
+            case PTChangingEffects_7:
+                if (sublayer == SubLayer.SetPT_7b) {
+                    permanent.getPower().setModifiedBaseValue(0);
+                    permanent.getToughness().setModifiedBaseValue(0);
+                    return true;
+                }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return false;
+    }
+
+    @Override
+    public boolean hasLayer(Layer layer) {
+        switch (layer) {
+            case TypeChangingEffects_4:
+            case AbilityAddingRemovingEffects_6:
+            case PTChangingEffects_7:
+                return true;
+        }
+        return false;
+    }
+}

Mage.Sets/src/mage/sets/ModernHorizons3.java

@@ -95,6 +95,7 @@ public final class ModernHorizons3 extends ExpansionSet {
         cards.add(new SetCardInfo("Harbinger of the Seas", 63, Rarity.RARE, mage.cards.h.HarbingerOfTheSeas.class));
         cards.add(new SetCardInfo("Hexgold Slith", 30, Rarity.COMMON, mage.cards.h.HexgoldSlith.class));
         cards.add(new SetCardInfo("Horrid Shadowspinner", 188, Rarity.UNCOMMON, mage.cards.h.HorridShadowspinner.class));
+        cards.add(new SetCardInfo("Idol of False Gods", 210, Rarity.UNCOMMON, mage.cards.i.IdolOfFalseGods.class));
         cards.add(new SetCardInfo("Island", 305, Rarity.LAND, mage.cards.basiclands.Island.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("It That Heralds the End", 9, Rarity.UNCOMMON, mage.cards.i.ItThatHeraldsTheEnd.class));
         cards.add(new SetCardInfo("Jet Medallion", 292, Rarity.RARE, mage.cards.j.JetMedallion.class));