[LTR] Implement The Grey Havens (#10493)

Mage.Sets/src/mage/cards/t/TheGreyHavens.java

@@ -0,0 +1,54 @@
+package mage.cards.t;
+
+import java.util.UUID;
+
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.keyword.ScryEffect;
+import mage.abilities.mana.AnyColorCardInYourGraveyardManaAbility;
+import mage.abilities.mana.AnyColorPermanentTypesManaAbility;
+import mage.abilities.mana.ColorlessManaAbility;
+import mage.abilities.mana.ConditionalAnyColorManaAbility;
+import mage.constants.SuperType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.TargetController;
+import mage.filter.FilterCard;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.common.FilterCreaturePermanent;
+
+/**
+ *
+ * @author Susucr
+ */
+public final class TheGreyHavens extends CardImpl {
+
+    private static final FilterCard filter = new FilterCreatureCard("legendary creature card");
+
+    static {
+        filter.add(SuperType.LEGENDARY.getPredicate());
+    }
+
+    public TheGreyHavens(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+        
+        this.supertype.add(SuperType.LEGENDARY);
+
+        // When The Grey Havens enters the battlefield, scry 1.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new ScryEffect(1, false)));
+        // {T}: Add {C}.
+        this.addAbility(new ColorlessManaAbility());
+        // {T}: Add one mana of any color among legendary creature cards in your graveyard.
+        this.addAbility(new AnyColorCardInYourGraveyardManaAbility(filter));
+    }
+
+    private TheGreyHavens(final TheGreyHavens card) {
+        super(card);
+    }
+
+    @Override
+    public TheGreyHavens copy() {
+        return new TheGreyHavens(this);
+    }
+}

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

@@ -242,6 +242,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("The Bath Song", 40, Rarity.UNCOMMON, mage.cards.t.TheBathSong.class));
         cards.add(new SetCardInfo("The Battle of Bywater", 2, Rarity.RARE, mage.cards.t.TheBattleOfBywater.class));
         cards.add(new SetCardInfo("The Black Breath", 78, Rarity.COMMON, mage.cards.t.TheBlackBreath.class));
+        cards.add(new SetCardInfo("The Grey Havens", 255, Rarity.UNCOMMON, mage.cards.t.TheGreyHavens.class));
         cards.add(new SetCardInfo("The Mouth of Sauron", 216, Rarity.UNCOMMON, mage.cards.t.TheMouthOfSauron.class));
         cards.add(new SetCardInfo("The One Ring", 246, Rarity.MYTHIC, mage.cards.t.TheOneRing.class));
         cards.add(new SetCardInfo("The Ring Goes South", 186, Rarity.RARE, mage.cards.t.TheRingGoesSouth.class));

Mage/src/main/java/mage/abilities/mana/AnyColorCardInYourGraveyardManaAbility.java

@@ -0,0 +1,143 @@
+package mage.abilities.mana;
+
+import mage.Mana;
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.mana.ManaEffect;
+import mage.cards.Card;
+import mage.choices.Choice;
+import mage.constants.ManaType;
+import mage.constants.TargetController;
+import mage.constants.Zone;
+import mage.filter.FilterCard;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @author Susucr
+ */
+public class AnyColorCardInYourGraveyardManaAbility extends ActivatedManaAbilityImpl {
+
+    public AnyColorCardInYourGraveyardManaAbility(FilterCard cardFilter) {
+        super(Zone.BATTLEFIELD, new AnyColorCardInYourGraveyardManaEffect(cardFilter), new TapSourceCost());
+    }
+
+    public AnyColorCardInYourGraveyardManaAbility(final AnyColorCardInYourGraveyardManaAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public AnyColorCardInYourGraveyardManaAbility copy() {
+        return new AnyColorCardInYourGraveyardManaAbility(this);
+    }
+
+    @Override
+    public List<Mana> getNetMana(Game game) {
+        return ((AnyColorCardInYourGraveyardManaEffect) getEffects().get(0)).getNetMana(game, this);
+    }
+
+    @Override
+    public boolean definesMana(Game game) {
+        return true;
+    }
+
+}
+
+class AnyColorCardInYourGraveyardManaEffect extends ManaEffect {
+
+    private final FilterCard filter;
+
+    private transient boolean inManaTypeCalculation = false;
+
+    public AnyColorCardInYourGraveyardManaEffect(FilterCard cardFilter) {
+        super();
+        filter = cardFilter;
+        staticText = "Add one mana of any color" +
+            " among " + cardFilter.getMessage() + " in your graveyard.";
+    }
+
+    public AnyColorCardInYourGraveyardManaEffect(final AnyColorCardInYourGraveyardManaEffect effect) {
+        super(effect);
+        this.filter = effect.filter.copy();
+    }
+
+    @Override
+    public List<Mana> getNetMana(Game game, Ability source) {
+        return game == null ? new ArrayList<>() : ManaType.getManaListFromManaTypes(getManaTypes(game, source), true);
+    }
+
+    @Override
+    public Mana produceMana(Game game, Ability source) {
+        if (game == null) {
+            return null;
+        }
+
+        Set<ManaType> types = getManaTypes(game, source);
+        if (types.isEmpty()) {
+            return null;
+        }
+
+        Choice choice = ManaType.getChoiceOfManaTypes(types, true);
+        if (choice.getChoices().size() == 1) {
+            choice.setChoice(choice.getChoices().iterator().next());
+        } else {
+            Player player = game.getPlayer(source.getControllerId());
+            if (player == null || !player.choose(outcome, choice, game)) {
+                return null;
+            }
+        }
+
+        ManaType chosenType = ManaType.findByName(choice.getChoice());
+        return chosenType == null ? null : new Mana(chosenType);
+    }
+
+    private Set<ManaType> getManaTypes(Game game, Ability source) {
+        Set<ManaType> manaTypes = new HashSet<>(6);
+        if (game == null || game.getPhase() == null || inManaTypeCalculation) {
+            return manaTypes;
+        }
+        inManaTypeCalculation = true;
+
+        Set<Card> cards =
+            game.getPlayer(source.getControllerId())
+                .getGraveyard()
+                .getCards(filter, game);
+        for (Card card : cards) {
+            ObjectColor cardColor = card.getColor(game);
+
+            if (cardColor.isBlack()) {
+                manaTypes.add(ManaType.BLACK);
+            }
+            if (cardColor.isBlue()) {
+                manaTypes.add(ManaType.BLUE);
+            }
+            if (cardColor.isGreen()) {
+                manaTypes.add(ManaType.GREEN);
+            }
+            if (cardColor.isRed()) {
+                manaTypes.add(ManaType.RED);
+            }
+            if (cardColor.isWhite()) {
+                manaTypes.add(ManaType.WHITE);
+            }
+
+            // If all types are already added, exit early
+            if (manaTypes.size() == 5) {
+                break;
+            }
+        }
+        inManaTypeCalculation = false;
+        return manaTypes;
+    }
+
+    @Override
+    public AnyColorCardInYourGraveyardManaEffect copy() {
+        return new AnyColorCardInYourGraveyardManaEffect(this);
+    }
+}