[TLA] Implement Fire Nation Attacks

Mage.Sets/src/mage/cards/f/FireNationAttacks.java

@@ -0,0 +1,36 @@
+package mage.cards.f;
+
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.keyword.FlashbackAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.game.permanent.token.SoldierFirebendingToken;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class FireNationAttacks extends CardImpl {
+
+    public FireNationAttacks(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{4}{R}");
+
+        // Create two 2/2 red Soldier creature tokens with firebending 1.
+        this.getSpellAbility().addEffect(new CreateTokenEffect(new SoldierFirebendingToken(), 2));
+
+        // Flashback {8}{R}
+        this.addAbility(new FlashbackAbility(this, new ManaCostsImpl<>("{8}{R}")));
+    }
+
+    private FireNationAttacks(final FireNationAttacks card) {
+        super(card);
+    }
+
+    @Override
+    public FireNationAttacks copy() {
+        return new FireNationAttacks(this);
+    }
+}

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

@@ -23,6 +23,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
 
         cards.add(new SetCardInfo("Avatar Enthusiasts", 11, Rarity.COMMON, mage.cards.a.AvatarEnthusiasts.class));
         cards.add(new SetCardInfo("Earthbending Lesson", 176, Rarity.COMMON, mage.cards.e.EarthbendingLesson.class));
+        cards.add(new SetCardInfo("Fire Nation Attacks", 133, Rarity.UNCOMMON, mage.cards.f.FireNationAttacks.class));
         cards.add(new SetCardInfo("Katara, the Fearless", 230, Rarity.RARE, mage.cards.k.KataraTheFearless.class));
         cards.add(new SetCardInfo("Sokka's Haiku", 71, Rarity.UNCOMMON, mage.cards.s.SokkasHaiku.class));
         cards.add(new SetCardInfo("Southern Air Temple", 36, Rarity.UNCOMMON, mage.cards.s.SouthernAirTemple.class));

Mage/src/main/java/mage/abilities/keyword/FirebendingAbility.java

@@ -0,0 +1,91 @@
+package mage.abilities.keyword;
+
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.StaticValue;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+
+import java.util.Collections;
+
+/**
+ * @author TheElk801
+ */
+public class FirebendingAbility extends AttacksTriggeredAbility {
+
+    private final DynamicValue amount;
+
+    public FirebendingAbility(int amount) {
+        this(StaticValue.get(amount));
+    }
+
+    public FirebendingAbility(DynamicValue amount) {
+        super(new FirebendingAbilityEffect(amount));
+        this.amount = amount;
+    }
+
+    private FirebendingAbility(final FirebendingAbility ability) {
+        super(ability);
+        this.amount = ability.amount;
+    }
+
+    @Override
+    public FirebendingAbility copy() {
+        return new FirebendingAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        if (amount instanceof StaticValue) {
+            return "firebending " + amount +
+                    " <i>(Whenever this creature attacks, add " +
+                    String.join("", Collections.nCopies(((StaticValue) amount).getValue(), "{R}")) +
+                    ". This mana lasts until end of combat.)</i>";
+        }
+        return "firebending X, where X is " + amount.getMessage() +
+                ". <i>(Whenever this creature attacks, add X {R}. This mana lasts until end of combat.)</i>";
+    }
+}
+
+class FirebendingAbilityEffect extends OneShotEffect {
+
+    private final DynamicValue amount;
+
+    FirebendingAbilityEffect(DynamicValue amount) {
+        super(Outcome.Benefit);
+        this.amount = amount;
+    }
+
+    private FirebendingAbilityEffect(final FirebendingAbilityEffect effect) {
+        super(effect);
+        this.amount = effect.amount;
+    }
+
+    @Override
+    public FirebendingAbilityEffect copy() {
+        return new FirebendingAbilityEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        int amount = Math.max(this.amount.calculate(game, source, this), 0);
+        if (amount > 0) {
+            player.getManaPool().addMana(Mana.RedMana(amount), game, source, Duration.EndOfCombat);
+        }
+        game.fireEvent(GameEvent.getEvent(
+                GameEvent.EventType.FIREBENDED, source.getSourceId(),
+                source, source.getControllerId(), amount
+        ));
+        return true;
+    }
+}

Mage/src/main/java/mage/game/events/GameEvent.java

@@ -696,6 +696,7 @@ public class GameEvent implements Serializable {
          */
         PAY_SACRIFICE_COST,
         EARTHBENDED,
+        FIREBENDED,
         // custom events - must store some unique data to track
         CUSTOM_EVENT;
 

Mage/src/main/java/mage/game/permanent/token/SoldierFirebendingToken.java

@@ -0,0 +1,30 @@
+package mage.game.permanent.token;
+
+import mage.MageInt;
+import mage.abilities.keyword.FirebendingAbility;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+/**
+ * @author TheElk801
+ */
+public final class SoldierFirebendingToken extends TokenImpl {
+
+    public SoldierFirebendingToken() {
+        super("Soldier Token", "2/2 red Soldier creature token with firebending 1");
+        cardType.add(CardType.CREATURE);
+        color.setRed(true);
+        subtype.add(SubType.SOLDIER);
+        power = new MageInt(2);
+        toughness = new MageInt(2);
+        this.addAbility(new FirebendingAbility(1));
+    }
+
+    private SoldierFirebendingToken(final SoldierFirebendingToken token) {
+        super(token);
+    }
+
+    public SoldierFirebendingToken copy() {
+        return new SoldierFirebendingToken(this);
+    }
+}

Mage/src/main/java/mage/players/ManaPool.java

@@ -9,6 +9,7 @@ import mage.abilities.costs.Cost;
 import mage.abilities.effects.mana.ManaEffect;
 import mage.constants.Duration;
 import mage.constants.ManaType;
+import mage.constants.PhaseStep;
 import mage.constants.TurnPhase;
 import mage.filter.Filter;
 import mage.filter.FilterMana;
@@ -302,10 +303,18 @@ public class ManaPool implements Serializable {
     }
 
     private int emptyItem(ManaPoolItem item, Emptiable toEmpty, Game game, ManaType manaType) {
-        if (item.getDuration() == Duration.EndOfTurn
+        switch (item.getDuration()) {
-                && game.getTurnPhaseType() != TurnPhase.END) {
+            case EndOfTurn:
+                if (game.getTurnPhaseType() != TurnPhase.END) {
                     return 0;
                 }
+                break;
+            case EndOfCombat:
+                if (game.getTurnPhaseType() != TurnPhase.COMBAT
+                        || game.getTurnStepType() != PhaseStep.END_COMBAT) {
+                    return 0;
+                }
+        }
         if (manaBecomesBlack) {
             int amount = toEmpty.get(manaType);
             toEmpty.clear(manaType);
@@ -366,6 +375,10 @@ public class ManaPool implements Serializable {
     }
 
     public void addMana(Mana manaToAdd, Game game, Ability source, boolean dontLoseUntilEOT) {
+        addMana(manaToAdd, game, source, dontLoseUntilEOT ? Duration.EndOfTurn : null);
+    }
+
+    public void addMana(Mana manaToAdd, Game game, Ability source, Duration duration) {
         if (manaToAdd != null) {
             Mana mana = manaToAdd.copy();
             if (!game.replaceEvent(new ManaEvent(EventType.ADD_MANA, source.getId(), source, playerId, mana))) {
@@ -376,8 +389,8 @@ public class ManaPool implements Serializable {
                             source.getSourceObject(game),
                             conditionalMana.getManaProducerOriginalId() != null ? conditionalMana.getManaProducerOriginalId() : source.getOriginalId()
                     );
-                    if (dontLoseUntilEOT) {
+                    if (duration != null) {
-                        item.setDuration(Duration.EndOfTurn);
+                        item.setDuration(duration);
                     }
                     this.manaItems.add(item);
                 } else {
@@ -392,8 +405,8 @@ public class ManaPool implements Serializable {
                             source.getOriginalId(),
                             mana.getFlag()
                     );
-                    if (dontLoseUntilEOT) {
+                    if (duration != null) {
-                        item.setDuration(Duration.EndOfTurn);
+                        item.setDuration(duration);
                     }
                     this.manaItems.add(item);
                 }

Utils/keywords.txt

@@ -52,6 +52,7 @@ Exploit|new|
 Extort|new|
 Fabricate|number|
 Fear|instance|
+Firebending|number|
 First strike|instance|
 Flanking|new|
 Flash|instance|