Implemented Skull Storm

Mage.Sets/src/mage/cards/s/SkullStorm.java

@@ -0,0 +1,88 @@
+package mage.cards.s;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.SacrificeEffect;
+import mage.abilities.keyword.CommanderStormAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.FilterPermanent;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.ControllerIdPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class SkullStorm extends CardImpl {
+
+    public SkullStorm(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{7}{B}{B}");
+
+        // When you cast this spell, copy it for each time you've cast your commander from the command zone this game.
+        this.addAbility(new CommanderStormAbility());
+
+        // Each opponent sacrifices a creature. Each opponent who can't loses half their life, rounded up.
+        this.getSpellAbility().addEffect(new SkullStormEffect());
+    }
+
+    public SkullStorm(final SkullStorm card) {
+        super(card);
+    }
+
+    @Override
+    public SkullStorm copy() {
+        return new SkullStorm(this);
+    }
+}
+
+class SkullStormEffect extends OneShotEffect {
+
+    public SkullStormEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "Each opponent sacrifices a creature. "
+                + "Each opponent who can't loses half their life, rounded up.";
+    }
+
+    public SkullStormEffect(final SkullStormEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SkullStormEffect copy() {
+        return new SkullStormEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        game.getOpponents(source.getControllerId()).forEach((playerId) -> {
+            Player player = game.getPlayer(playerId);
+            if (!(player == null)) {
+                FilterPermanent filter = new FilterCreaturePermanent();
+                filter.add(new ControllerIdPredicate(playerId));
+                if (game.getBattlefield().getActivePermanents(
+                        filter, source.getControllerId(), game
+                ).isEmpty()) {
+                    int lifeToLose = (int) Math.ceil(player.getLife() / 2);
+                    player.loseLife(lifeToLose, game, false);
+                } else {
+                    Effect effect = new SacrificeEffect(
+                            StaticFilters.FILTER_PERMANENT_CREATURE, 1, null
+                    );
+                    effect.setTargetPointer(new FixedTarget(playerId, game));
+                    effect.apply(game, source);
+                }
+            }
+        });
+        return true;
+    }
+}
+//doot doot

Mage.Sets/src/mage/sets/Commander2018.java

@@ -85,6 +85,7 @@ public final class Commander2018 extends ExpansionSet {
         cards.add(new SetCardInfo("Serra Avatar", 73, Rarity.MYTHIC, mage.cards.s.SerraAvatar.class));
         cards.add(new SetCardInfo("Sigil of the Empty Throne", 74, Rarity.RARE, mage.cards.s.SigilOfTheEmptyThrone.class));
         cards.add(new SetCardInfo("Silent-Blade Oni", 191, Rarity.RARE, mage.cards.s.SilentBladeOni.class));
+        cards.add(new SetCardInfo("Skull Storm", 18, Rarity.COMMON, mage.cards.s.SkullStorm.class));
         cards.add(new SetCardInfo("Sol Ring", 222, Rarity.UNCOMMON, mage.cards.s.SolRing.class));
         cards.add(new SetCardInfo("Spawning Grounds", 163, Rarity.RARE, mage.cards.s.SpawningGrounds.class));
         cards.add(new SetCardInfo("Swiftfoot Boots", 225, Rarity.UNCOMMON, mage.cards.s.SwiftfootBoots.class));