[BRC] Implement The Brothers' War

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

@@ -0,0 +1,147 @@
+package mage.cards.t;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SagaAbility;
+import mage.abilities.dynamicvalue.common.ArtifactYouControlCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.RequirementEffect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.abilities.hint.common.ArtifactYouControlHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.PowerstoneToken;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+import mage.target.common.TargetAnyTarget;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class TheBrothersWar extends CardImpl {
+
+    public TheBrothersWar(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{R}");
+
+        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);
+
+        // I -- Create two tapped Powerstone tokens.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_I, new CreateTokenEffect(new PowerstoneToken(), 2, true)
+        );
+
+        // II -- Choose two target players. Until your next turn, each creature they control attacks the other chosen player each combat if able.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_II, SagaChapter.CHAPTER_II,
+                new TheBrothersWarEffect(), new TargetPlayer(2)
+        );
+
+        // III -- The Brothers' War deals X damage to any target and X damage to any other target, where X is the number of artifacts you control.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_III, SagaChapter.CHAPTER_III,
+                new DamageTargetEffect(ArtifactYouControlCount.instance)
+                        .setText("{this} deals X damage to any target and X damage to any other target, " +
+                                "where X is the number of artifacts you control"),
+                new TargetAnyTarget(2)
+        );
+        this.addAbility(sagaAbility.addHint(ArtifactYouControlHint.instance));
+    }
+
+    private TheBrothersWar(final TheBrothersWar card) {
+        super(card);
+    }
+
+    @Override
+    public TheBrothersWar copy() {
+        return new TheBrothersWar(this);
+    }
+}
+
+class TheBrothersWarEffect extends OneShotEffect {
+
+    TheBrothersWarEffect() {
+        super(Outcome.Benefit);
+        staticText = "choose two target players. Until your next turn, each creature " +
+                "they control attacks the other chosen player each combat if able";
+    }
+
+    private TheBrothersWarEffect(final TheBrothersWarEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TheBrothersWarEffect copy() {
+        return new TheBrothersWarEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        List<Player> players = this
+                .getTargetPointer()
+                .getTargets(game, source)
+                .stream()
+                .map(game::getPlayer)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+        if (players.size() != 2) {
+            return false;
+        }
+        game.addEffect(new TheBrothersWarRequirementEffect(players.get(0), players.get(1)), source);
+        game.addEffect(new TheBrothersWarRequirementEffect(players.get(1), players.get(0)), source);
+        return true;
+    }
+}
+
+class TheBrothersWarRequirementEffect extends RequirementEffect {
+
+    private final UUID attackingPlayerId;
+    private final UUID defendingPlayerId;
+
+    public TheBrothersWarRequirementEffect(Player attacker, Player defender) {
+        super(Duration.UntilYourNextTurn);
+        this.attackingPlayerId = attacker.getId();
+        this.defendingPlayerId = defender.getId();
+    }
+
+    public TheBrothersWarRequirementEffect(final TheBrothersWarRequirementEffect effect) {
+        super(effect);
+        this.attackingPlayerId = effect.attackingPlayerId;
+        this.defendingPlayerId = effect.defendingPlayerId;
+    }
+
+    @Override
+    public TheBrothersWarRequirementEffect copy() {
+        return new TheBrothersWarRequirementEffect(this);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        return permanent.isControlledBy(attackingPlayerId);
+    }
+
+    @Override
+    public UUID mustAttackDefender(Ability source, Game game) {
+        return defendingPlayerId;
+    }
+
+    @Override
+    public boolean mustAttack(Game game) {
+        return true;
+    }
+
+    @Override
+    public boolean mustBlock(Game game) {
+        return false;
+    }
+}

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

@@ -168,6 +168,7 @@ public final class TheBrothersWarCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Terramorphic Expanse", 210, Rarity.COMMON, mage.cards.t.TerramorphicExpanse.class));
         cards.add(new SetCardInfo("Teshar, Ancestor's Apostle", 77, Rarity.RARE, mage.cards.t.TesharAncestorsApostle.class));
         cards.add(new SetCardInfo("The Archimandrite", 26, Rarity.RARE, mage.cards.t.TheArchimandrite.class));
+        cards.add(new SetCardInfo("The Brothers' War", 22, Rarity.RARE, mage.cards.t.TheBrothersWar.class));
         cards.add(new SetCardInfo("Thirst for Knowledge", 96, Rarity.UNCOMMON, mage.cards.t.ThirstForKnowledge.class));
         cards.add(new SetCardInfo("Thopter Shop", 19, Rarity.RARE, mage.cards.t.ThopterShop.class));
         cards.add(new SetCardInfo("Thopter Spy Network", 97, Rarity.RARE, mage.cards.t.ThopterSpyNetwork.class));