[SLD] Implement Holga, Relentless Rager

Mage.Sets/src/mage/cards/h/HolgaRelentlessRager.java

@@ -0,0 +1,103 @@
+package mage.cards.h;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.combat.MustBeBlockedByAtLeastOneSourceEffect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.abilities.keyword.HasteAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.predicate.Predicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.targetpointer.FixedTarget;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HolgaRelentlessRager extends CardImpl {
+
+    public HolgaRelentlessRager(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{R}{R}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.BARBARIAN);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(6);
+
+        // Haste
+        this.addAbility(HasteAbility.getInstance());
+
+        // Holga, Relentless Rager must be blocked if able.
+        this.addAbility(new SimpleStaticAbility(new MustBeBlockedByAtLeastOneSourceEffect()));
+
+        // Whenever Holga attacks, each creature you control attacking a player gets +1/+0 until end of turn for each creature that player controls.
+        this.addAbility(new AttacksTriggeredAbility(new HolgaRelentlessRagerEffect()));
+    }
+
+    private HolgaRelentlessRager(final HolgaRelentlessRager card) {
+        super(card);
+    }
+
+    @Override
+    public HolgaRelentlessRager copy() {
+        return new HolgaRelentlessRager(this);
+    }
+}
+
+class HolgaRelentlessRagerEffect extends OneShotEffect {
+    private enum HolgaRelentlessRagerPredicate implements Predicate<Permanent> {
+        instance;
+
+        @Override
+        public boolean apply(Permanent input, Game game) {
+            return game.getPlayer(game.getCombat().getDefenderId(input.getId())) != null;
+        }
+    }
+
+    private static final FilterPermanent filter = new FilterControlledCreaturePermanent();
+
+    static {
+        filter.add(HolgaRelentlessRagerPredicate.instance);
+    }
+
+    HolgaRelentlessRagerEffect() {
+        super(Outcome.Benefit);
+        staticText = "each creature you control attacking a player gets +1/+0 " +
+                "until end of turn for each creature that player controls";
+    }
+
+    private HolgaRelentlessRagerEffect(final HolgaRelentlessRagerEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public HolgaRelentlessRagerEffect copy() {
+        return new HolgaRelentlessRagerEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source, game)) {
+            int count = game
+                    .getBattlefield()
+                    .count(StaticFilters.FILTER_CONTROLLED_CREATURE, game.getCombat().getDefenderId(permanent.getId()), source, game);
+            if (count > 0) {
+                game.addEffect(new BoostTargetEffect(
+                        count, 0, Duration.EndOfTurn
+                ).setTargetPointer(new FixedTarget(permanent, game)), source);
+            }
+        }
+        return true;
+    }
+}