Implemented Lava Storm

Mage.Sets/src/mage/cards/l/LavaStorm.java

@@ -0,0 +1,79 @@
+package mage.cards.l;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DamageAllEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.AttackingPredicate;
+import mage.filter.predicate.permanent.BlockingPredicate;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LavaStorm extends CardImpl {
+
+    public LavaStorm(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{3}{R}{R}");
+
+        // Lava Storm deals 2 damage to each attacking creature or Lava Storm deals 2 damage to each blocking creature.
+        this.getSpellAbility().addEffect(new LavaStormEffect());
+    }
+
+    private LavaStorm(final LavaStorm card) {
+        super(card);
+    }
+
+    @Override
+    public LavaStorm copy() {
+        return new LavaStorm(this);
+    }
+}
+
+class LavaStormEffect extends OneShotEffect {
+    private static final FilterPermanent filter = new FilterCreaturePermanent();
+    private static final FilterPermanent filter2 = new FilterCreaturePermanent();
+
+    static {
+        filter.add(AttackingPredicate.instance);
+        filter2.add(BlockingPredicate.instance);
+    }
+
+    LavaStormEffect() {
+        super(Outcome.Benefit);
+        staticText = "{this} deals 2 damage to each attacking creature " +
+                "or {this} deals 2 damage to each blocking creature.";
+    }
+
+    private LavaStormEffect(final LavaStormEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public LavaStormEffect copy() {
+        return new LavaStormEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        if (player.chooseUse(
+                Outcome.Benefit, "Deal 2 damage to all attacking creatures or all blocking creatures?",
+                null, "Attackers", "Blockers", source, game)
+        ) {
+            return new DamageAllEffect(2, filter).apply(game, source);
+        }
+        return new DamageAllEffect(2, filter2).apply(game, source);
+    }
+}

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

@@ -107,6 +107,7 @@ public final class Weatherlight extends ExpansionSet {
         cards.add(new SetCardInfo("Inner Sanctum", 18, Rarity.RARE, mage.cards.i.InnerSanctum.class));
         cards.add(new SetCardInfo("Jabari's Banner", 150, Rarity.UNCOMMON, mage.cards.j.JabarisBanner.class));
         cards.add(new SetCardInfo("Lava Hounds", 109, Rarity.UNCOMMON, mage.cards.l.LavaHounds.class));
+        cards.add(new SetCardInfo("Lava Storm", 110, Rarity.COMMON, mage.cards.l.LavaStorm.class));
         cards.add(new SetCardInfo("Llanowar Behemoth", 132, Rarity.UNCOMMON, mage.cards.l.LlanowarBehemoth.class));
         cards.add(new SetCardInfo("Llanowar Druid", 133, Rarity.COMMON, mage.cards.l.LlanowarDruid.class));
         cards.add(new SetCardInfo("Llanowar Sentinel", 134, Rarity.COMMON, mage.cards.l.LlanowarSentinel.class));