[DSK] Implement Monstrous Emergence

Mage.Sets/src/mage/cards/m/MonstrousEmergence.java

@@ -0,0 +1,168 @@
+package mage.cards.m;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.CostImpl;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.CardsImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.StaticFilters;
+import mage.game.Controllable;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetCardInHand;
+import mage.target.common.TargetControlledCreaturePermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MonstrousEmergence extends CardImpl {
+
+    public MonstrousEmergence(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{G}");
+
+        // As an additional cost to cast this spell, choose a creature you control or reveal a creature card from your hand.
+        this.getSpellAbility().addCost(new MonstrousEmergenceCost());
+
+        // Monstrous Emergence deals damage equal to the power of the creature you chose or the card you revealed to target creature.
+        this.getSpellAbility().addEffect(new DamageTargetEffect(MonstrousEmergenceValue.instance)
+                .setText("{this} deals damage equal to the power of the creature you chose or the card you revealed to target creature"));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private MonstrousEmergence(final MonstrousEmergence card) {
+        super(card);
+    }
+
+    @Override
+    public MonstrousEmergence copy() {
+        return new MonstrousEmergence(this);
+    }
+}
+
+enum MonstrousEmergenceValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        return Optional
+                .ofNullable((Card) effect.getValue("monstrousEmergenceCost"))
+                .map(MageObject::getPower)
+                .map(MageInt::getValue)
+                .orElse(0);
+    }
+
+    @Override
+    public MonstrousEmergenceValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "power of the creature you chose or the card you revealed";
+    }
+
+    @Override
+    public String toString() {
+        return "1";
+    }
+}
+
+class MonstrousEmergenceCost extends CostImpl {
+
+    public MonstrousEmergenceCost() {
+        super();
+        this.text = "choose a creature you control or reveal a creature card from your hand";
+    }
+
+    private MonstrousEmergenceCost(final MonstrousEmergenceCost cost) {
+        super(cost);
+    }
+
+    @Override
+    public MonstrousEmergenceCost copy() {
+        return new MonstrousEmergenceCost(this);
+    }
+
+    @Override
+    public boolean canPay(Ability ability, Ability source, UUID controllerId, Game game) {
+        return Optional
+                .ofNullable(source)
+                .map(Controllable::getControllerId)
+                .map(game::getPlayer)
+                .map(Player::getHand)
+                .filter(hand -> hand.count(StaticFilters.FILTER_CARD_CREATURE, game) > 0)
+                .isPresent()
+                || game
+                .getBattlefield()
+                .contains(StaticFilters.FILTER_CONTROLLED_CREATURE, controllerId, source, game, 1);
+    }
+
+    @Override
+    public boolean pay(Ability ability, Game game, Ability source, UUID controllerId, boolean noMana, Cost costToPay) {
+        Player player = game.getPlayer(controllerId);
+        if (player == null) {
+            paid = false;
+            return paid;
+        }
+        boolean hasPermanent = game
+                .getBattlefield()
+                .contains(StaticFilters.FILTER_CONTROLLED_CREATURE, controllerId, source, game, 1);
+        boolean hasHand = player.getHand().count(StaticFilters.FILTER_CARD_CREATURE, game) > 0;
+        boolean usePermanent;
+        if (hasPermanent && hasHand) {
+            usePermanent = player.chooseUse(
+                    Outcome.Neutral, "Choose a creature you control or reveal a creature card from your hand?",
+                    null, "Choose controlled", "Reveal from hand", source, game
+            );
+        } else if (hasPermanent) {
+            usePermanent = true;
+        } else if (hasHand) {
+            usePermanent = false;
+        } else {
+            paid = false;
+            return paid;
+        }
+        if (usePermanent) {
+            TargetPermanent target = new TargetControlledCreaturePermanent();
+            target.withNotTarget(true);
+            player.choose(Outcome.Neutral, target, source, game);
+            Permanent permanent = game.getPermanent(target.getFirstTarget());
+            if (permanent == null) {
+                paid = false;
+                return paid;
+            }
+            game.informPlayers(player.getLogName() + " chooses " + permanent.getLogName() + " on the battlefield");
+            source.getEffects().setValue("monstrousEmergenceCost", permanent);
+            paid = true;
+            return true;
+        }
+        TargetCard target = new TargetCardInHand(StaticFilters.FILTER_CARD_CREATURE);
+        player.choose(Outcome.Neutral, player.getHand(), target, source, game);
+        Card card = game.getCard(target.getFirstTarget());
+        if (card == null) {
+            paid = false;
+            return paid;
+        }
+        player.revealCards(source, new CardsImpl(card), game);
+        game.informPlayers(player.getLogName() + " reveals " + card.getLogName() + " from their hand");
+        source.getEffects().setValue("monstrousEmergenceCost", card);
+        paid = true;
+        return paid;
+    }
+}

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

@@ -216,6 +216,7 @@ public final class DuskmournHouseOfHorror extends ExpansionSet {
         cards.add(new SetCardInfo("Meathook Massacre II", 311, Rarity.MYTHIC, mage.cards.m.MeathookMassacreII.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Miasma Demon", 109, Rarity.UNCOMMON, mage.cards.m.MiasmaDemon.class));
         cards.add(new SetCardInfo("Midnight Mayhem", 222, Rarity.UNCOMMON, mage.cards.m.MidnightMayhem.class));
+        cards.add(new SetCardInfo("Monstrous Emergence", 191, Rarity.COMMON, mage.cards.m.MonstrousEmergence.class));
         cards.add(new SetCardInfo("Most Valuable Slayer", 144, Rarity.COMMON, mage.cards.m.MostValuableSlayer.class));
         cards.add(new SetCardInfo("Mountain", 275, Rarity.LAND, mage.cards.basiclands.Mountain.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Mountain", 283, Rarity.LAND, mage.cards.basiclands.Mountain.class, NON_FULL_USE_VARIOUS));