[LTR] Implement Forge Anew (#10777)

* implements Forge Anew with unit tests

* fixes equip effect and adjusts test

* fixes effect to only apply on controller's turns

* changed test location to set

* fixes comparison, fixes wording of text to match oracle text

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

@@ -0,0 +1,147 @@
+package mage.cards.f;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.MyTurnCondition;
+import mage.abilities.decorator.ConditionalAsThoughEffect;
+import mage.abilities.effects.common.ReturnFromGraveyardToBattlefieldTargetEffect;
+import mage.abilities.effects.common.continuous.ActivateAbilitiesAnyTimeYouCouldCastInstantEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.abilities.keyword.EquipAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterCard;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.StackObject;
+import mage.players.Player;
+import mage.target.common.TargetCardInYourGraveyard;
+import mage.watchers.Watcher;
+
+/**
+ *
+ * @author xanderhall
+ */
+public class ForgeAnew extends CardImpl {
+
+    private static final FilterCard filter = new FilterCard("Equipment card from your graveyard");
+
+    static {
+        filter.add(SubType.EQUIPMENT.getPredicate());
+    }
+
+    public ForgeAnew(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{2}{W}");
+
+        // When Forge Anew enters the battlefield, return target Equipment card from your graveyard to the battlefield.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new ReturnFromGraveyardToBattlefieldTargetEffect());
+        ability.addTarget(new TargetCardInYourGraveyard(filter));
+        this.addAbility(ability);
+
+        //As long as it’s your turn, you may activate equip abilities any time you could cast an instant.
+        this.addAbility(new SimpleStaticAbility(new ConditionalAsThoughEffect(
+            new ActivateAbilitiesAnyTimeYouCouldCastInstantEffect(EquipAbility.class, "equip abilities"), MyTurnCondition.instance
+            ).setText("as long as it's your turn, you may activate equip abilities any time you could cast an instant."))
+        );
+
+        //You may pay {0} rather than pay the equip cost of the first equip ability you activate during each of your turns.
+        this.addAbility(new SimpleStaticAbility(new ForgeAnewCostEffect()), new ForgeAnewWatcher());
+    }
+    private ForgeAnew(final ForgeAnew card) {
+        super(card);
+    }
+
+    @Override
+    public ForgeAnew copy() {
+        return new ForgeAnew(this);
+    }
+}
+
+class ForgeAnewCostEffect extends CostModificationEffectImpl {
+
+    ForgeAnewCostEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.SET_COST);
+        this.staticText = "you may pay {0} rather than pay the equip cost of the first equip ability you activate during each of your turns.";
+    }
+
+    ForgeAnewCostEffect(final ForgeAnewCostEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return abilityToModify instanceof EquipAbility
+                && source.isControlledBy(abilityToModify.getControllerId())
+                && game.getActivePlayerId().equals(source.getControllerId())
+                && !ForgeAnewWatcher.checkPlayer(abilityToModify.getControllerId(), game);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        boolean applyReduce = false;
+        if (game.inCheckPlayableState()) {
+            // getPlayable use - apply all the time
+            applyReduce = true;
+        } else {
+            // real use - ask the player
+            Player controller = game.getPlayer(abilityToModify.getControllerId());
+            if (controller != null
+                    && controller.chooseUse(Outcome.PlayForFree,
+                    String.format("Pay {0} to equip instead %s?", abilityToModify.getManaCostsToPay().getText()), source, game)) {
+                applyReduce = true;
+            }
+        }
+
+        if (applyReduce) {
+            abilityToModify.getCosts().clear();
+            abilityToModify.getManaCostsToPay().clear();
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public ForgeAnewCostEffect copy() {
+        return new ForgeAnewCostEffect(this);
+    }
+}
+
+class ForgeAnewWatcher extends Watcher {
+
+    private final Set<UUID> equippedThisTurn = new HashSet<>();
+
+    ForgeAnewWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.ACTIVATED_ABILITY) {
+            return;
+        }
+
+        StackObject object = game.getStack().getStackObject(event.getSourceId());
+
+        if (object != null && object.getStackAbility() instanceof EquipAbility) {
+            equippedThisTurn.add(event.getPlayerId());
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        equippedThisTurn.clear();
+    }
+
+    static boolean checkPlayer(UUID playerId, Game game) {
+        ForgeAnewWatcher watcher = game.getState().getWatcher(ForgeAnewWatcher.class);
+        return watcher != null && watcher.equippedThisTurn.contains(playerId);
+    }
+}

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

@@ -99,6 +99,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Flowering of the White Tree", 15, Rarity.RARE, mage.cards.f.FloweringOfTheWhiteTree.class));
         cards.add(new SetCardInfo("Fog on the Barrow-Downs", 16, Rarity.COMMON, mage.cards.f.FogOnTheBarrowDowns.class));
         cards.add(new SetCardInfo("Foray of Orcs", 128, Rarity.UNCOMMON, mage.cards.f.ForayOfOrcs.class));
+        cards.add(new SetCardInfo("Forge Anew", 17, Rarity.RARE, mage.cards.f.ForgeAnew.class));
         cards.add(new SetCardInfo("Forest", 270, Rarity.LAND, mage.cards.basiclands.Forest.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Friendly Rivalry", 204, Rarity.UNCOMMON, mage.cards.f.FriendlyRivalry.class));
         cards.add(new SetCardInfo("Frodo Baggins", 205, Rarity.UNCOMMON, mage.cards.f.FrodoBaggins.class));

Mage.Tests/src/test/java/org/mage/test/cards/single/ltr/ForgeAnewTest.java

@@ -0,0 +1,44 @@
+package org.mage.test.cards.single.ltr;
+
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+
+/**
+ * @author Xanderhall
+ */
+public class ForgeAnewTest extends CardTestPlayerBase {
+    
+    static final String FORGE_ANEW = "Forge Anew";
+    static final String EQUIPMENT = "Bronze Sword";
+    static final String CREATURE = "Silvercoat Lion";
+
+    /**
+     * Test implementation of card
+     */
+
+    @Test
+    public void testForgeAnew() {
+        addCard(Zone.BATTLEFIELD, playerA, CREATURE, 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Plains", 3);
+        addCard(Zone.HAND, playerA, FORGE_ANEW, 1);
+        addCard(Zone.GRAVEYARD, playerA, EQUIPMENT, 1);
+
+        // Test return from graveyard
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, FORGE_ANEW);
+        addTarget(playerA, EQUIPMENT, 1);
+
+        // Test can equip at instant speed for 0 (all mana tapped)
+        activateAbility(1, PhaseStep.END_COMBAT, playerA, "Equip {3}", CREATURE);
+        setChoice(playerA, true); // Choose to equip for free
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        
+        // Make sure it is attached
+        assertIsAttachedTo(playerA, EQUIPMENT, CREATURE);
+    }
+}