[SPE] Implement Double Trouble

Mage.Sets/src/mage/cards/d/DoubleTrouble.java

@@ -0,0 +1,68 @@
+package mage.cards.d;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.targetpointer.FixedTarget;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DoubleTrouble extends CardImpl {
+
+    public DoubleTrouble(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{4}{R}");
+
+        // Double the power of each creature you control until end of turn.
+        this.getSpellAbility().addEffect(new DoubleTroubleEffect());
+    }
+
+    private DoubleTrouble(final DoubleTrouble card) {
+        super(card);
+    }
+
+    @Override
+    public DoubleTrouble copy() {
+        return new DoubleTrouble(this);
+    }
+}
+
+class DoubleTroubleEffect extends OneShotEffect {
+
+    DoubleTroubleEffect() {
+        super(Outcome.Benefit);
+        staticText = "double the power of each creature you control until end of turn";
+    }
+
+    private DoubleTroubleEffect(final DoubleTroubleEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public DoubleTroubleEffect copy() {
+        return new DoubleTroubleEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        for (Permanent permanent : game.getBattlefield().getActivePermanents(
+                StaticFilters.FILTER_CONTROLLED_CREATURE, source.getControllerId(), source, game
+        )) {
+            int power = permanent.getPower().getValue();
+            if (power != 0) {
+                game.addEffect(new BoostTargetEffect(power, 0)
+                        .setTargetPointer(new FixedTarget(permanent, game)), source);
+            }
+        }
+        return true;
+    }
+}

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

@@ -23,6 +23,7 @@ public final class MarvelsSpiderManEternal extends ExpansionSet {
         cards.add(new SetCardInfo("Alchemax Slayer-Bots", 5, Rarity.COMMON, mage.cards.a.AlchemaxSlayerBots.class));
         cards.add(new SetCardInfo("Amateur Hero", 1, Rarity.COMMON, mage.cards.a.AmateurHero.class));
         cards.add(new SetCardInfo("Doc Ock, Evil Inventor", 24, Rarity.RARE, mage.cards.d.DocOckEvilInventor.class));
+        cards.add(new SetCardInfo("Double Trouble", 13, Rarity.RARE, mage.cards.d.DoubleTrouble.class));
         cards.add(new SetCardInfo("Future Flight", 6, Rarity.RARE, mage.cards.f.FutureFlight.class));
         cards.add(new SetCardInfo("Grasping Tentacles", 21, Rarity.RARE, mage.cards.g.GraspingTentacles.class));
         cards.add(new SetCardInfo("Green Goblin, Nemesis", 23, Rarity.RARE, mage.cards.g.GreenGoblinNemesis.class));