[KHM] Implemented King Narfi's Betrayal (#7446)

* [KHM] Implemented King Narfi's Betrayal

* [KHM] Corrected rules text for King Narfi's Betrayal

* [KHM] Allow adventure cards to go on adventures when exiled with King Narfi's Betrayal

* CanPlayCardControllerEffect - Fixed handling of Adventure/Split Cards

* [KHM] King Narfi's Betrayal - Added null check and fixed rules text

Co-authored-by: Daniel Bomar <dbdaniel42@gmail.com>

Mage.Sets/src/mage/cards/k/KingNarfisBetrayal.java

@@ -0,0 +1,156 @@
+package mage.cards.k;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SagaAbility;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.MillCardsEachPlayerEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterCard;
+import mage.filter.predicate.Predicates;
+import mage.game.ExileZone;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.common.TargetCardInOpponentsGraveyard;
+import mage.target.common.TargetCardInYourGraveyard;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ *
+ * @author varaghar
+ */
+public final class KingNarfisBetrayal extends CardImpl {
+
+    public KingNarfisBetrayal(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{U}{B}");
+
+        this.subtype.add(SubType.SAGA);
+
+        // (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
+        SagaAbility sagaAbility = new SagaAbility(this, SagaChapter.CHAPTER_III);
+
+        //I — Each player mills four cards. You may exile up to one creature or planeswalker card from each graveyard.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_I, new KingNarfisBetrayalFirstEffect());
+
+        //II, III — Until end of turn, you may cast spells from among cards exiled with King Narfi's Betrayal, and you may spend mana as though it were mana of any color to cast those spells.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_II, SagaChapter.CHAPTER_III, new KingNarfisBetrayalSecondEffect());
+
+        this.addAbility(sagaAbility);
+    }
+
+    private KingNarfisBetrayal(final KingNarfisBetrayal card) {
+        super(card);
+    }
+
+    @Override
+    public KingNarfisBetrayal copy() {
+        return new KingNarfisBetrayal(this);
+    }
+}
+
+class KingNarfisBetrayalFirstEffect extends OneShotEffect {
+
+    private static final Effect millEffect = new MillCardsEachPlayerEffect(4, TargetController.EACH_PLAYER);
+    private static final FilterCard filter = new FilterCard("creature or planeswalker card from each graveyard");
+
+    static {
+        filter.add(Predicates.or(
+                CardType.CREATURE.getPredicate(),
+                CardType.PLANESWALKER.getPredicate()
+        ));
+    }
+
+    KingNarfisBetrayalFirstEffect() {
+        super(Outcome.Benefit);
+        staticText = "Each player mills four cards. You may exile up to one creature or planeswalker " +
+                "card from each graveyard";
+    }
+
+    private KingNarfisBetrayalFirstEffect(final KingNarfisBetrayalFirstEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KingNarfisBetrayalFirstEffect copy() {
+        return new KingNarfisBetrayalFirstEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        UUID controllerId = source.getControllerId();
+        Player controller = game.getPlayer(controllerId);
+        if (controller == null) {
+            return false;
+        }
+        millEffect.apply(game, source);
+
+        //Controller graveyard
+        if (controller.getGraveyard().count(filter, game) != 0) {
+            if (controller.chooseUse(outcome, "Exile a creature or planeswalker card from your graveyard?", source, game)) {
+                TargetCard target = new TargetCardInYourGraveyard(filter);
+                target.setNotTarget(true);
+                if (controller.chooseTarget(outcome, controller.getGraveyard(), target, source, game)) {
+                    controller.moveCardsToExile(game.getCard(target.getFirstTarget()), source, game, true, CardUtil.getCardExileZoneId(game, source), CardUtil.createObjectRealtedWindowTitle(source, game, null));
+                }
+            }
+        }
+
+        //Each opponent's graveyard
+        for (UUID opponentId : game.getOpponents(controllerId)) {
+            Player opponent = game.getPlayer(opponentId);
+            if (opponent == null) {
+                continue;
+            }
+
+            if (opponent.getGraveyard().count(filter, game) != 0) {
+                if (controller.chooseUse(outcome, "Exile a creature or planeswalker card from " + opponent.getName() + "'s graveyard?", source, game)) {
+                    TargetCard target = new TargetCardInOpponentsGraveyard(1, 1, filter, true);
+                    target.setNotTarget(true);
+                    if (controller.chooseTarget(outcome, opponent.getGraveyard(), target, source, game)) {
+                        controller.moveCardsToExile(game.getCard(target.getFirstTarget()), source, game, true, CardUtil.getCardExileZoneId(game, source), CardUtil.createObjectRealtedWindowTitle(source, game, null));
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
+}
+
+class KingNarfisBetrayalSecondEffect extends OneShotEffect {
+
+
+    public KingNarfisBetrayalSecondEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "Until end of turn, you may cast spells from among cards exiled with King Narfi's Betrayal," +
+                " and you may spend mana as though it were mana of any color to cast those spells";
+    }
+
+    public KingNarfisBetrayalSecondEffect(final KingNarfisBetrayalSecondEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KingNarfisBetrayalSecondEffect copy() {
+        return new KingNarfisBetrayalSecondEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        ExileZone zone = game.getExile().getExileZone(CardUtil.getCardExileZoneId(game, source));
+        if (zone != null) {
+            for (Card card : zone.getCards(game)) {
+                CardUtil.makeCardPlayableAndSpendManaAsAnyColor(game, source, card, Duration.EndOfTurn);
+            }
+        }
+
+        return false;
+    }
+
+}

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

@@ -189,6 +189,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Kaya the Inexorable", 218, Rarity.MYTHIC, mage.cards.k.KayaTheInexorable.class));
         cards.add(new SetCardInfo("Kaya's Onslaught", 18, Rarity.UNCOMMON, mage.cards.k.KayasOnslaught.class));
         cards.add(new SetCardInfo("King Harald's Revenge", 180, Rarity.COMMON, mage.cards.k.KingHaraldsRevenge.class));
+        cards.add(new SetCardInfo("King Narfi's Betrayal", 219, Rarity.RARE, mage.cards.k.KingNarfisBetrayal.class));
         cards.add(new SetCardInfo("Koll, the Forgemaster", 220, Rarity.UNCOMMON, mage.cards.k.KollTheForgemaster.class));
         cards.add(new SetCardInfo("Kolvori, God of Kinship", 181, Rarity.RARE, mage.cards.k.KolvoriGodOfKinship.class));
         cards.add(new SetCardInfo("Koma's Faithful", 102, Rarity.COMMON, mage.cards.k.KomasFaithful.class));