[WOE] Implement Beseech the Mirror (#10842)

Co-authored-by: Evan Kranzler <theelk801@gmail.com>

Mage.Sets/src/mage/cards/b/BeseechTheMirror.java

@@ -0,0 +1,111 @@
+package mage.cards.b;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.common.BargainedCondition;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.BargainAbility;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.ComparisonType;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.filter.FilterCard;
+import mage.filter.predicate.mageobject.ManaValuePredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetCardInLibrary;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public final class BeseechTheMirror extends CardImpl {
+
+    public BeseechTheMirror(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}{B}");
+
+        // Bargain
+        this.addAbility(new BargainAbility());
+
+        // Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.
+        this.getSpellAbility().addEffect(new BeseechTheMirrorEffect());
+    }
+
+    private BeseechTheMirror(final BeseechTheMirror card) {
+        super(card);
+    }
+
+    @Override
+    public BeseechTheMirror copy() {
+        return new BeseechTheMirror(this);
+    }
+}
+
+class BeseechTheMirrorEffect extends OneShotEffect {
+
+    private static final FilterCard filter = new FilterCard();
+
+    static {
+        filter.add(new ManaValuePredicate(ComparisonType.OR_LESS, 4));
+    }
+
+    BeseechTheMirrorEffect() {
+        super(Outcome.Benefit);
+        staticText = "Search your library for a card, exile it face down, then shuffle. "
+                + "If this spell was bargained, you may cast the exiled card without paying "
+                + "its mana cost if that spell's mana value is 4 or less. Put the exiled card "
+                + "into your hand if it wasn't cast this way.";
+    }
+
+    private BeseechTheMirrorEffect(final BeseechTheMirrorEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public BeseechTheMirrorEffect copy() {
+        return new BeseechTheMirrorEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller == null) {
+            return false;
+        }
+
+        // Search your library for a card
+        TargetCardInLibrary target = new TargetCardInLibrary();
+        if (controller.searchLibrary(target, source, game)) {
+            Card card = controller.getLibrary().getCard(target.getFirstTarget(), game);
+            if (card != null) {
+                // exile it face down
+                card.setFaceDown(true, game);
+                controller.moveCards(card, Zone.EXILED, source, game, false, true, false, null);
+                card.setFaceDown(true, game);
+
+                // then shuffle
+                controller.shuffleLibrary(source, game);
+
+                // If this spell was bargained,
+                if (BargainedCondition.instance.apply(game, source)) {
+                    // you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less.
+                    CardUtil.castSpellWithAttributesForFree(controller, source, game, card, filter);
+                }
+                game.getState().processAction(game);
+
+                if (game.getState().getZone(card.getId()).equals(Zone.EXILED)) {
+                    // Put the exiled card into your hand if it wasn't cast this way.
+                    controller.moveCards(card, Zone.HAND, source, game, false, true, false, null);
+                    card.setFaceDown(false, game);
+                }
+
+                return true;
+            }
+        }
+        return false;
+    }
+}

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

@@ -24,6 +24,7 @@ public final class WildsOfEldraine extends ExpansionSet {
         cards.add(new SetCardInfo("Ash, Party Crasher", 201, Rarity.UNCOMMON, mage.cards.a.AshPartyCrasher.class));
         cards.add(new SetCardInfo("Ashiok's Reaper", 79, Rarity.UNCOMMON, mage.cards.a.AshioksReaper.class));
         cards.add(new SetCardInfo("Beanstalk Wurm", 161, Rarity.COMMON, mage.cards.b.BeanstalkWurm.class));
+        cards.add(new SetCardInfo("Beseech the Mirror", 82, Rarity.MYTHIC, mage.cards.b.BeseechTheMirror.class));
         cards.add(new SetCardInfo("Besotted Knight", 4, Rarity.COMMON, mage.cards.b.BesottedKnight.class));
         cards.add(new SetCardInfo("Bitter Chill", 44, Rarity.UNCOMMON, mage.cards.b.BitterChill.class));
         cards.add(new SetCardInfo("Break the Spell", 5, Rarity.COMMON, mage.cards.b.BreakTheSpell.class));

Mage/src/main/java/mage/util/CardUtil.java

@@ -1255,7 +1255,11 @@ public final class CardUtil {
     private static final FilterCard defaultFilter = new FilterCard("card to cast");
 
     public static boolean castSpellWithAttributesForFree(Player player, Ability source, Game game, Card card) {
-        return castSpellWithAttributesForFree(player, source, game, new CardsImpl(card), StaticFilters.FILTER_CARD);
+        return castSpellWithAttributesForFree(player, source, game, card, StaticFilters.FILTER_CARD);
+    }
+
+    public static boolean castSpellWithAttributesForFree(Player player, Ability source, Game game, Card card, FilterCard filter) {
+        return castSpellWithAttributesForFree(player, source, game, new CardsImpl(card), filter);
     }
 
     public static boolean castSpellWithAttributesForFree(Player player, Ability source, Game game, Cards cards, FilterCard filter) {