[CLB] Implement Commander Liara Portyr

Mage.Sets/src/mage/cards/c/CommanderLiaraPortyr.java

@@ -0,0 +1,120 @@
+package mage.cards.c;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksWithCreaturesTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.*;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.stack.Spell;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class CommanderLiaraPortyr extends CardImpl {
+
+    public CommanderLiaraPortyr(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{R}{W}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.SOLDIER);
+        this.power = new MageInt(5);
+        this.toughness = new MageInt(3);
+
+        // Whenever you attack, spells you cast from exile this turn cost {X} less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.
+        Ability ability = new AttacksWithCreaturesTriggeredAbility(new CommanderLiaraPortyrCostEffect(), 1);
+        ability.addEffect(new CommanderLiaraPortyrExileEffect());
+        this.addAbility(ability);
+    }
+
+    private CommanderLiaraPortyr(final CommanderLiaraPortyr card) {
+        super(card);
+    }
+
+    @Override
+    public CommanderLiaraPortyr copy() {
+        return new CommanderLiaraPortyr(this);
+    }
+}
+
+class CommanderLiaraPortyrCostEffect extends CostModificationEffectImpl {
+
+    CommanderLiaraPortyrCostEffect() {
+        super(Duration.EndOfTurn, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        staticText = "spells you cast from exile this turn cost {X} less to cast, " +
+                "where X is the number of players being attacked";
+    }
+
+    private CommanderLiaraPortyrCostEffect(final CommanderLiaraPortyrCostEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CommanderLiaraPortyrCostEffect copy() {
+        return new CommanderLiaraPortyrCostEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        Optional.ofNullable((Integer) getValue(AttacksWithCreaturesTriggeredAbility.VALUEKEY_NUMBER_DEFENDING_PLAYERS))
+                .ifPresent(i -> CardUtil.reduceCost(abilityToModify, 1));
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return Optional
+                .ofNullable(abilityToModify)
+                .map(Ability::getSourceId)
+                .map(game::getSpell)
+                .map(Spell::getFromZone)
+                .filter(Zone.EXILED::match)
+                .isPresent();
+    }
+}
+
+class CommanderLiaraPortyrExileEffect extends OneShotEffect {
+
+    CommanderLiaraPortyrExileEffect() {
+        super(Outcome.Benefit);
+        staticText = "Exile the top X cards of your library. Until end of turn, " +
+                "you may cast spells from among those exiled cards";
+    }
+
+    private CommanderLiaraPortyrExileEffect(final CommanderLiaraPortyrExileEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CommanderLiaraPortyrExileEffect copy() {
+        return new CommanderLiaraPortyrExileEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        int count = Optional.ofNullable((Integer) getValue(
+                AttacksWithCreaturesTriggeredAbility.VALUEKEY_NUMBER_DEFENDING_PLAYERS
+        )).orElse(0);
+        if (player == null || count < 1) {
+            return true;
+        }
+        Cards cards = new CardsImpl(player.getLibrary().getTopCards(game, count));
+        if (cards.isEmpty()) {
+            return false;
+        }
+        player.moveCards(cards, Zone.EXILED, source, game);
+        for (Card card : cards.getCards(game)) {
+            CardUtil.makeCardPlayable(game, source, card, true, Duration.EndOfTurn, false);
+        }
+        return true;
+    }
+}

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

@@ -206,9 +206,9 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Cloudkill", 121, Rarity.UNCOMMON, mage.cards.c.Cloudkill.class));
         cards.add(new SetCardInfo("Colossal Badger", 223, Rarity.COMMON, mage.cards.c.ColossalBadger.class));
         cards.add(new SetCardInfo("Command Tower", 351, Rarity.COMMON, mage.cards.c.CommandTower.class));
-        //cards.add(new SetCardInfo("Commander Liara Portyr", 270, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Commander Liara Portyr", 270, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
-        //cards.add(new SetCardInfo("Commander Liara Portyr", 418, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Commander Liara Portyr", 418, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
-        //cards.add(new SetCardInfo("Commander Liara Portyr", 529, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Commander Liara Portyr", 529, Rarity.UNCOMMON, mage.cards.c.CommanderLiaraPortyr.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Compulsive Research", 715, Rarity.COMMON, mage.cards.c.CompulsiveResearch.class));
         cards.add(new SetCardInfo("Cone of Cold", 61, Rarity.UNCOMMON, mage.cards.c.ConeOfCold.class));
         cards.add(new SetCardInfo("Consuming Aberration", 840, Rarity.RARE, mage.cards.c.ConsumingAberration.class));

Mage/src/main/java/mage/abilities/common/AttacksWithCreaturesTriggeredAbility.java

@@ -1,5 +1,6 @@
 package mage.abilities.common;
 
+import mage.MageItem;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.effects.Effect;
 import mage.constants.Zone;
@@ -23,6 +24,7 @@ public class AttacksWithCreaturesTriggeredAbility extends TriggeredAbilityImpl {
 
     // retrieve the number of attackers in triggered effects with getValue
     public static final String VALUEKEY_NUMBER_ATTACKERS = "number_attackers";
+    public static final String VALUEKEY_NUMBER_DEFENDING_PLAYERS = "number_defending_players";
 
     private final FilterPermanent filter;
     private final int minAttackers;
@@ -91,6 +93,17 @@ public class AttacksWithCreaturesTriggeredAbility extends TriggeredAbilityImpl {
             return false;
         }
         getEffects().setValue(VALUEKEY_NUMBER_ATTACKERS, attackers.size());
+        getEffects().setValue(
+                VALUEKEY_NUMBER_DEFENDING_PLAYERS,
+                attackers.stream()
+                        .map(MageItem::getId)
+                        .map(game.getCombat()::getDefenderId)
+                        .distinct()
+                        .map(game::getPlayer)
+                        .filter(Objects::nonNull)
+                        .mapToInt(x -> 1)
+                        .sum()
+        );
         if (setTargetPointer) {
             getEffects().setTargetPointer(new FixedTargets(new ArrayList<>(attackers), game));
         }