[TLA] Implement Avatar Enthusiasts

Mage.Sets/src/mage/cards/a/AvatarEnthusiasts.java

@@ -0,0 +1,51 @@
+package mage.cards.a;
+
+import mage.MageInt;
+import mage.abilities.common.EntersBattlefieldAllTriggeredAbility;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.mageobject.AnotherPredicate;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class AvatarEnthusiasts extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterControlledPermanent(SubType.ALLY, "another Ally you control");
+
+    static {
+        filter.add(AnotherPredicate.instance);
+    }
+
+    public AvatarEnthusiasts(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{W}");
+
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.PEASANT);
+        this.subtype.add(SubType.ALLY);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Whenever another Ally you control enters, put a +1/+1 counter on this creature.
+        this.addAbility(new EntersBattlefieldAllTriggeredAbility(
+                new AddCountersSourceEffect(CounterType.P1P1.createInstance()), filter
+        ));
+    }
+
+    private AvatarEnthusiasts(final AvatarEnthusiasts card) {
+        super(card);
+    }
+
+    @Override
+    public AvatarEnthusiasts copy() {
+        return new AvatarEnthusiasts(this);
+    }
+}

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

@@ -21,6 +21,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         this.rotationSet = true;
         this.hasBasicLands = false; // temporary
 
+        cards.add(new SetCardInfo("Avatar Enthusiasts", 11, Rarity.COMMON, mage.cards.a.AvatarEnthusiasts.class));
         cards.add(new SetCardInfo("Katara, the Fearless", 230, Rarity.RARE, mage.cards.k.KataraTheFearless.class));
         cards.add(new SetCardInfo("Sokka's Haiku", 71, Rarity.UNCOMMON, mage.cards.s.SokkasHaiku.class));
     }