[AFR] Implementing Fiendlash (#8011)

* [AFR] Implementing Fiendlash

* Updating Fiendlash implementation

* Changing how trigger occurs during combat

* Updating fiendlash logic

* Updating copy constructor

* Using DamagedPermanentBatchEvent

* Fiendlash implementation

Mage.Sets/src/mage/cards/f/Fiendlash.java

@@ -0,0 +1,162 @@
+package mage.cards.f;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostEquippedEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.abilities.keyword.EquipAbility;
+import mage.abilities.keyword.ReachAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.AttachmentType;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.DamagedEvent;
+import mage.game.events.DamagedPermanentBatchEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetPlayerOrPlaneswalker;
+
+/**
+ *
+ * @author zeffirojoe
+ */
+public final class Fiendlash extends CardImpl {
+
+    public Fiendlash(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[] { CardType.ARTIFACT }, "{1}{R}");
+
+        this.subtype.add(SubType.EQUIPMENT);
+
+        // Equipped creature gets +2/+0 and has reach.
+        Ability staticAbility = new SimpleStaticAbility(new BoostEquippedEffect(2, 0));
+        staticAbility.addEffect(new GainAbilityAttachedEffect(ReachAbility.getInstance(), AttachmentType.EQUIPMENT)
+                .setText("and has reach"));
+        this.addAbility(staticAbility);
+
+        // Whenever equipped creature is dealt damage, it deals damage equal to its
+        // power to target player or planeswalker.
+        this.addAbility(new FiendlashTriggeredAbility());
+
+        // Equip {2}{R}
+        this.addAbility(new EquipAbility(Outcome.AddAbility, new ManaCostsImpl<>("{2}{R}")));
+    }
+
+    private Fiendlash(final Fiendlash card) {
+        super(card);
+    }
+
+    @Override
+    public Fiendlash copy() {
+        return new Fiendlash(this);
+    }
+}
+
+class FiendlashTriggeredAbility extends TriggeredAbilityImpl {
+
+    FiendlashTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new FiendlashEffect(), false);
+        this.addTarget(new TargetPlayerOrPlaneswalker());
+    }
+
+    private FiendlashTriggeredAbility(final FiendlashTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public FiendlashTriggeredAbility copy() {
+        return new FiendlashTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DAMAGED_PERMANENT_BATCH;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Permanent equipment = game.getPermanent(this.getSourceId());
+        if (equipment == null) {
+            return false;
+        }
+
+        UUID attachedCreature = equipment.getAttachedTo();
+        if (attachedCreature == null) {
+                return false;
+        }
+
+        game.getState().setValue("Fiendlash" + equipment.getId(), attachedCreature);
+
+        DamagedPermanentBatchEvent dEvent = (DamagedPermanentBatchEvent) event;
+        for (DamagedEvent damagedEvent : dEvent.getEvents()) {
+            UUID targetID = damagedEvent.getTargetId();
+            if (targetID == null) {
+                continue;
+            }
+
+            if (targetID == attachedCreature) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker.";
+    }
+}
+
+class FiendlashEffect extends OneShotEffect {
+
+    FiendlashEffect() {
+        super(Outcome.Benefit);
+    }
+
+    private FiendlashEffect(final FiendlashEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public FiendlashEffect copy() {
+        return new FiendlashEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent creature = game
+                .getPermanentOrLKIBattlefield((UUID) game.getState().getValue("Fiendlash" + source.getSourceId()));
+        if (creature == null) {
+            return false;
+        }
+
+        int damage = creature.getPower().getValue();
+        if (damage < 1) {
+            return false;
+        }
+
+        Permanent permanent = game.getPermanent(source.getFirstTarget());
+        if (permanent != null) {
+            if (permanent.isPlaneswalker()) {
+                permanent.damage(damage, creature.getId(), source, game);
+                return true;
+            }
+        }
+        Player player = game.getPlayer(source.getFirstTarget());
+        if (player != null) {
+            player.damage(damage, creature.getId(), source, game);
+            return true;
+        }
+        return false;
+    }
+}

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

@@ -97,6 +97,7 @@ public final class ForgottenRealmsCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Fellwar Stone", 206, Rarity.UNCOMMON, mage.cards.f.FellwarStone.class));
         cards.add(new SetCardInfo("Fertile Ground", 158, Rarity.COMMON, mage.cards.f.FertileGround.class));
         cards.add(new SetCardInfo("Fiend of the Shadows", 99, Rarity.RARE, mage.cards.f.FiendOfTheShadows.class));
+        cards.add(new SetCardInfo("Fiendlash", 31, Rarity.RARE, mage.cards.f.Fiendlash.class));
         cards.add(new SetCardInfo("Fleecemane Lion", 185, Rarity.RARE, mage.cards.f.FleecemaneLion.class));
         cards.add(new SetCardInfo("Flood Plain", 237, Rarity.UNCOMMON, mage.cards.f.FloodPlain.class));
         cards.add(new SetCardInfo("Forbidden Alchemy", 84, Rarity.UNCOMMON, mage.cards.f.ForbiddenAlchemy.class));