[MOM] Implement Sandstalker Moloch

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

@@ -0,0 +1,97 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.decorator.ConditionalInterveningIfTriggeredAbility;
+import mage.abilities.effects.common.LookLibraryAndPickControllerEffect;
+import mage.abilities.keyword.FlashAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.PutCards;
+import mage.constants.SubType;
+import mage.constants.WatcherScope;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.Spell;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SandstalkerMoloch extends CardImpl {
+
+    public SandstalkerMoloch(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}{G}");
+
+        this.subtype.add(SubType.LIZARD);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(2);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // When Sandstalker Moloch enters the battlefield, if an opponent cast a blue and/or black spell this turn, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
+        this.addAbility(new ConditionalInterveningIfTriggeredAbility(
+                new EntersBattlefieldTriggeredAbility(
+                        new LookLibraryAndPickControllerEffect(
+                                4, 1, StaticFilters.FILTER_CARD_A_PERMANENT,
+                                PutCards.HAND, PutCards.BOTTOM_RANDOM
+                        )
+                ), SandstalkerMolochWatcher::checkPlayer, "When {this} enters the battlefield, " +
+                "if an opponent cast a blue and/or black spell this turn, look at the top four cards " +
+                "of your library. You may reveal a permanent card from among them and put it into your hand. " +
+                "Put the rest on the bottom of your library in a random order."
+        ));
+    }
+
+    private SandstalkerMoloch(final SandstalkerMoloch card) {
+        super(card);
+    }
+
+    @Override
+    public SandstalkerMoloch copy() {
+        return new SandstalkerMoloch(this);
+    }
+}
+
+class SandstalkerMolochWatcher extends Watcher {
+
+    private final Set<UUID> players = new HashSet<>();
+    private static final ObjectColor color = new ObjectColor("UB");
+
+    SandstalkerMolochWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.SPELL_CAST) {
+            return;
+        }
+        Spell spell = game.getSpell(event.getTargetId());
+        if (spell != null && spell.getColor(game).shares(color)) {
+            players.addAll(game.getOpponents(spell.getControllerId()));
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+    }
+
+    static boolean checkPlayer(Game game, Ability source) {
+        return game
+                .getState()
+                .getWatcher(SandstalkerMolochWatcher.class)
+                .players
+                .contains(source.getControllerId());
+    }
+}

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

@@ -255,6 +255,7 @@ public final class MarchOfTheMachine extends ExpansionSet {
         cards.add(new SetCardInfo("Rugged Highlands", 271, Rarity.COMMON, mage.cards.r.RuggedHighlands.class));
         cards.add(new SetCardInfo("Ruins Recluse", 336, Rarity.UNCOMMON, mage.cards.r.RuinsRecluse.class));
         cards.add(new SetCardInfo("Saiba Cryptomancer", 76, Rarity.COMMON, mage.cards.s.SaibaCryptomancer.class));
+        cards.add(new SetCardInfo("Sandstalker Moloch", 203, Rarity.UNCOMMON, mage.cards.s.SandstalkerMoloch.class));
         cards.add(new SetCardInfo("Scorn-Blade Berserker", 124, Rarity.UNCOMMON, mage.cards.s.ScornBladeBerserker.class));
         cards.add(new SetCardInfo("Scoured Barrens", 272, Rarity.COMMON, mage.cards.s.ScouredBarrens.class));
         cards.add(new SetCardInfo("Scrappy Bruiser", 162, Rarity.UNCOMMON, mage.cards.s.ScrappyBruiser.class));