[KHM] Implement Giant's Amulet (#7357)

Mage.Sets/src/mage/cards/g/GiantsAmulet.java

@@ -0,0 +1,105 @@
+package mage.cards.g;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.InvertCondition;
+import mage.abilities.condition.common.SourceTappedCondition;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.decorator.ConditionalContinuousEffect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.continuous.BoostEquippedEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
+import mage.abilities.keyword.EquipAbility;
+import mage.abilities.keyword.HexproofAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.GiantsAmuletToken;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author ciaccona007
+ */
+public final class GiantsAmulet extends CardImpl {
+
+    public GiantsAmulet(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{U}");
+
+        this.subtype.add(SubType.EQUIPMENT);
+
+        // When Giant's Amulet enters the battlefield, you may pay {3}{U}. If you do, create a 4/4 blue Giant Wizard creature token, then attach Giant's Amulet to it.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new GiantsAmuletEffect()));
+
+        // Equipped creature gets +0/+1 and has "This creature has hexproof as long as it's untapped."
+        Ability ability = new SimpleStaticAbility(new BoostEquippedEffect(0, 1));
+        ability.addEffect(new GainAbilityAttachedEffect(
+                new SimpleStaticAbility(new ConditionalContinuousEffect(
+                        new GainAbilitySourceEffect(
+                                HexproofAbility.getInstance(),
+                                Duration.WhileOnBattlefield
+                        ), new InvertCondition(SourceTappedCondition.instance),
+                        "{this} has hexproof as long as it's untapped")
+                ), AttachmentType.EQUIPMENT));
+        this.addAbility(ability);
+
+        // Equip {2}
+        this.addAbility(new EquipAbility(Outcome.AddAbility, new GenericManaCost(2)));
+    }
+
+    private GiantsAmulet(final GiantsAmulet card) {
+        super(card);
+    }
+
+    @Override
+    public GiantsAmulet copy() {
+        return new GiantsAmulet(this);
+    }
+}
+
+class GiantsAmuletEffect extends OneShotEffect {
+
+    GiantsAmuletEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "you may pay {3}{U}. If you do, create a 4/4 blue Giant Wizard creature token, then attach Giant's Amulet to it.";
+    }
+
+    GiantsAmuletEffect(final GiantsAmuletEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GiantsAmuletEffect copy() {
+        return new GiantsAmuletEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+
+        if (player != null) {
+            if (player.chooseUse(Outcome.BoostCreature, "Do you want to pay {3}{U}?", source, game)) {
+                Cost cost = new ManaCostsImpl<>("{3}{U}");
+                if (cost.pay(source, game, source, source.getControllerId(), false, null)) {
+                    CreateTokenEffect effect = new CreateTokenEffect(new GiantsAmuletToken());
+                    if (effect.apply(game, source)) {
+                        Permanent p = game.getPermanent(effect.getLastAddedTokenId());
+                        if (p != null) {
+                            p.addAttachment(source.getSourceId(), source, game);
+                            return true;
+                        }
+                    }
+                }
+            }
+        }
+        return false;
+    }
+}

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

@@ -67,6 +67,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Firja, Judge of Valor", 209, Rarity.UNCOMMON, mage.cards.f.FirjaJudgeOfValor.class));
         cards.add(new SetCardInfo("Forging the Tyrite Sword", 211, Rarity.UNCOMMON, mage.cards.f.ForgingTheTyriteSword.class));
         cards.add(new SetCardInfo("Frost Bite", 138, Rarity.COMMON, mage.cards.f.FrostBite.class));
+        cards.add(new SetCardInfo("Giant's Amulet", 59, Rarity.UNCOMMON, mage.cards.g.GiantsAmulet.class));
         cards.add(new SetCardInfo("Giant's Grasp", 384, Rarity.UNCOMMON, mage.cards.g.GiantsGrasp.class));
         cards.add(new SetCardInfo("Gilded Assault Cart", 390, Rarity.UNCOMMON, mage.cards.g.GildedAssaultCart.class));
         cards.add(new SetCardInfo("Glacial Floodplain", 257, Rarity.COMMON, mage.cards.g.GlacialFloodplain.class));

Mage/src/main/java/mage/game/permanent/token/GiantsAmuletToken.java

@@ -0,0 +1,26 @@
+package mage.game.permanent.token;
+
+import mage.MageInt;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+public final class GiantsAmuletToken extends TokenImpl {
+
+    public GiantsAmuletToken() {
+        super("Giant Wizard", "4/4 blue Giant Wizard creature token");
+        cardType.add(CardType.CREATURE);
+        color.setBlue(true);
+        subtype.add(SubType.GIANT);
+        subtype.add(SubType.WIZARD);
+        power = new MageInt(4);
+        toughness = new MageInt(4);
+    }
+
+    public GiantsAmuletToken(final GiantsAmuletToken token) {
+        super(token);
+    }
+
+    public GiantsAmuletToken copy() {
+        return new GiantsAmuletToken(this);
+    }
+}