Implemented Ashiok, Nightmare Muse

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

@@ -0,0 +1,139 @@
+package mage.cards.a;
+
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.LoyaltyAbility;
+import mage.abilities.common.PlaneswalkerEntersWithLoyaltyCountersAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterCard;
+import mage.filter.predicate.other.OwnerPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.AshiokNightmareMuseToken;
+import mage.players.Player;
+import mage.target.common.TargetCardInExile;
+import mage.target.common.TargetCardInHand;
+import mage.target.common.TargetNonlandPermanent;
+
+import java.util.Objects;
+import java.util.UUID;
+
+import static mage.constants.Outcome.Benefit;
+
+/**
+ * @author TheElk801
+ */
+public final class AshiokNightmareMuse extends CardImpl {
+
+    public AshiokNightmareMuse(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.PLANESWALKER}, "{3}{U}{B}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.ASHIOK);
+        this.addAbility(new PlaneswalkerEntersWithLoyaltyCountersAbility(5));
+
+        // +1: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library."
+        this.addAbility(new LoyaltyAbility(new CreateTokenEffect(new AshiokNightmareMuseToken()), 1));
+
+        // −3: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand.
+        Ability ability = new LoyaltyAbility(new AshiokNightmareMuseBounceEffect(), -3);
+        ability.addTarget(new TargetNonlandPermanent());
+        this.addAbility(ability);
+
+        // −7: You may cast up to three face-up cards your opponents own from exile without paying their mana costs.
+        this.addAbility(new LoyaltyAbility(new AshiokNightmareMuseCastEffect(), -7));
+    }
+
+    private AshiokNightmareMuse(final AshiokNightmareMuse card) {
+        super(card);
+    }
+
+    @Override
+    public AshiokNightmareMuse copy() {
+        return new AshiokNightmareMuse(this);
+    }
+}
+
+class AshiokNightmareMuseBounceEffect extends OneShotEffect {
+
+    AshiokNightmareMuseBounceEffect() {
+        super(Benefit);
+        staticText = "return target nonland permanent to its owner's hand, " +
+                "then that player exiles a card from their hand";
+    }
+
+    private AshiokNightmareMuseBounceEffect(final AshiokNightmareMuseBounceEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AshiokNightmareMuseBounceEffect copy() {
+        return new AshiokNightmareMuseBounceEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getFirstTarget());
+        Player player = game.getPlayer(game.getControllerId(source.getFirstTarget()));
+        if (permanent == null || player == null) {
+            return false;
+        }
+        player.moveCards(permanent, Zone.HAND, source, game);
+        if (player.getHand().isEmpty()) {
+            return true;
+        }
+        TargetCardInHand target = new TargetCardInHand();
+        if (!player.choose(outcome, player.getHand(), target, game)) {
+            return false;
+        }
+        return player.moveCards(game.getCard(target.getFirstTarget()), Zone.EXILED, source, game);
+    }
+}
+
+class AshiokNightmareMuseCastEffect extends OneShotEffect {
+
+    private static final FilterCard filter = new FilterCard("face-up cards your opponents own from exile");
+
+    static {
+        filter.add(new OwnerPredicate(TargetController.OPPONENT));
+    }
+
+    AshiokNightmareMuseCastEffect() {
+        super(Benefit);
+        staticText = "You may cast up to three face-up cards your opponents own from exile without paying their mana costs.";
+    }
+
+    private AshiokNightmareMuseCastEffect(final AshiokNightmareMuseCastEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AshiokNightmareMuseCastEffect copy() {
+        return new AshiokNightmareMuseCastEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        TargetCardInExile target = new TargetCardInExile(0, 3, filter, null);
+        target.setNotTarget(true);
+        if (!player.choose(outcome, target, source.getSourceId(), game)) {
+            return false;
+        }
+        target.getTargets()
+                .stream()
+                .map(game::getCard)
+                .filter(Objects::nonNull)
+                .map(card -> card.getSpellAbility() != null
+                        && player.chooseUse(outcome, "Cast " + card.getName() + " without paying its mana cost?", source, game)
+                        && player.cast(card.getSpellAbility(), game, true, new MageObjectReference(source.getSourceObject(game), game)));
+        return true;
+    }
+}

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

@@ -26,6 +26,7 @@ public final class TherosBeyondDeath extends ExpansionSet {
         this.ratioBoosterMythic = 8;
         this.maxCardNumberInBooster = 254;
 
+        cards.add(new SetCardInfo("Ashiok, Nightmare Muse", 208, Rarity.MYTHIC, mage.cards.a.AshiokNightmareMuse.class));
         cards.add(new SetCardInfo("Ashiok, Sculptor of Fears", 274, Rarity.MYTHIC, mage.cards.a.AshiokSculptorOfFears.class));
         cards.add(new SetCardInfo("Commanding Presence", 7, Rarity.UNCOMMON, mage.cards.c.CommandingPresence.class));
         cards.add(new SetCardInfo("Daxos, Blessed by the Sun", 9, Rarity.UNCOMMON, mage.cards.d.DaxosBlessedByTheSun.class));

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

@@ -0,0 +1,79 @@
+package mage.game.permanent.token;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksOrBlocksTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.Card;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class AshiokNightmareMuseToken extends TokenImpl {
+
+    public AshiokNightmareMuseToken() {
+        super("Nightmare", "2/3 blue and black Nightmare creature token with " +
+                "\"Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library.\"");
+        cardType.add(CardType.CREATURE);
+        color.setBlue(true);
+        color.setBlack(true);
+        subtype.add(SubType.NIGHTMARE);
+        power = new MageInt(2);
+        toughness = new MageInt(3);
+        this.addAbility(new AttacksOrBlocksTriggeredAbility(new AshiokNightmareMuseTokenEffect(), false));
+    }
+
+    private AshiokNightmareMuseToken(final AshiokNightmareMuseToken token) {
+        super(token);
+    }
+
+    public AshiokNightmareMuseToken copy() {
+        return new AshiokNightmareMuseToken(this);
+    }
+}
+
+class AshiokNightmareMuseTokenEffect extends OneShotEffect {
+
+    AshiokNightmareMuseTokenEffect() {
+        super(Outcome.Benefit);
+        staticText = "each opponent exiles the top two cards of their library.";
+    }
+
+    private AshiokNightmareMuseTokenEffect(final AshiokNightmareMuseTokenEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AshiokNightmareMuseTokenEffect copy() {
+        return new AshiokNightmareMuseTokenEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Set<Card> cards = game
+                .getOpponents(source.getControllerId())
+                .stream()
+                .map(game::getPlayer)
+                .filter(Objects::nonNull)
+                .map(Player::getLibrary)
+                .map(library -> library.getTopCards(game, 2))
+                .flatMap(Collection::stream)
+                .collect(Collectors.toSet());
+        return player.moveCards(cards, Zone.EXILED, source, game);
+    }
+}