[MH2] Implemented Chitterspitter (#7867)

Co-authored-by: Evan Kranzler <theelk801@gmail.com>

Mage.Sets/src/mage/cards/c/Chitterspitter.java

@@ -0,0 +1,76 @@
+package mage.cards.c;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.common.CountersSourceCount;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.DoIfCostPaid;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.TargetController;
+import mage.counters.CounterType;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.TokenPredicate;
+import mage.game.permanent.token.SquirrelToken;
+import mage.target.common.TargetControlledPermanent;
+
+/**
+ *
+ * @author weirddan455
+ */
+public final class Chitterspitter extends CardImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent("a token");
+    private static final FilterCreaturePermanent filter2 = new FilterCreaturePermanent(SubType.SQUIRREL, "Squirrels");
+
+    static {
+        filter.add(TokenPredicate.instance);
+    }
+
+    public Chitterspitter(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}{G}");
+
+        // At the beginning of your upkeep, you may sacrifice a token. If you do, put an acorn counter on Chitterspitter.
+        this.addAbility(new BeginningOfUpkeepTriggeredAbility(
+                new DoIfCostPaid(
+                        new AddCountersSourceEffect(CounterType.ACORN.createInstance()),
+                        new SacrificeTargetCost(new TargetControlledPermanent(filter))
+                ),
+                TargetController.YOU,
+                false
+        ));
+
+        // Squirrels you control get +1/+1 for each acorn counter on Chitterspitter.
+        CountersSourceCount counterValue = new CountersSourceCount(CounterType.ACORN);
+        this.addAbility(new SimpleStaticAbility(
+                new BoostControlledEffect(counterValue, counterValue, Duration.WhileOnBattlefield, filter2, false)
+        ));
+
+        // {G}, {T}: Create a 1/1 green Squirrel creature token.
+        Ability ability = new SimpleActivatedAbility(new CreateTokenEffect(new SquirrelToken()), new ManaCostsImpl<>("{G}"));
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+    }
+
+    private Chitterspitter(final Chitterspitter card) {
+        super(card);
+    }
+
+    @Override
+    public Chitterspitter copy() {
+        return new Chitterspitter(this);
+    }
+}

Mage.Sets/src/mage/sets/ModernHorizons2.java

@@ -51,6 +51,7 @@ public final class ModernHorizons2 extends ExpansionSet {
         cards.add(new SetCardInfo("Chainer, Nightmare Adept", 289, Rarity.RARE, mage.cards.c.ChainerNightmareAdept.class));
         cards.add(new SetCardInfo("Chance Encounter", 277, Rarity.RARE, mage.cards.c.ChanceEncounter.class));
         cards.add(new SetCardInfo("Chatterstorm", 152, Rarity.COMMON, mage.cards.c.Chatterstorm.class));
+        cards.add(new SetCardInfo("Chitterspitter", 153, Rarity.RARE, mage.cards.c.Chitterspitter.class));
         cards.add(new SetCardInfo("Chrome Courier", 190, Rarity.COMMON, mage.cards.c.ChromeCourier.class));
         cards.add(new SetCardInfo("Combine Chrysalis", 191, Rarity.UNCOMMON, mage.cards.c.CombineChrysalis.class));
         cards.add(new SetCardInfo("Constable of the Realm", 10, Rarity.UNCOMMON, mage.cards.c.ConstableOfTheRealm.class));

Mage/src/main/java/mage/counters/CounterType.java

@@ -12,6 +12,7 @@ import mage.game.Game;
  */
 public enum CounterType {
 
+    ACORN("acorn"),
     AEGIS("aegis"),
     AGE("age"),
     AIM("aim"),