Implemented Mystic Forge

Mage.Sets/src/mage/cards/m/MysticForge.java

@@ -0,0 +1,118 @@
+package mage.cards.m;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.PayLifeCost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.AsThoughEffectImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.LookAtTopCardOfLibraryAnyTimeEffect;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MysticForge extends CardImpl {
+
+    public MysticForge(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{4}");
+
+        // You may look at the top card of your library any time.
+        this.addAbility(new SimpleStaticAbility(new LookAtTopCardOfLibraryAnyTimeEffect()));
+
+        // You may cast the top card of your library if it's an artifact card or a colorless nonland card.
+        this.addAbility(new SimpleStaticAbility(new MysticForgeTopCardCastEffect()));
+
+        // {T}, Pay 1 life: Exile the top card of your library.
+        Ability ability = new SimpleActivatedAbility(new MysticForgeExileEffect(), new TapSourceCost());
+        ability.addCost(new PayLifeCost(1));
+        this.addAbility(ability);
+    }
+
+    private MysticForge(final MysticForge card) {
+        super(card);
+    }
+
+    @Override
+    public MysticForge copy() {
+        return new MysticForge(this);
+    }
+}
+
+class MysticForgeTopCardCastEffect extends AsThoughEffectImpl {
+
+    MysticForgeTopCardCastEffect() {
+        super(AsThoughEffectType.PLAY_FROM_NOT_OWN_HAND_ZONE, Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "You may cast the top card of your library if it's an artifact card or a colorless nonland card.";
+    }
+
+    private MysticForgeTopCardCastEffect(final MysticForgeTopCardCastEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public MysticForgeTopCardCastEffect copy() {
+        return new MysticForgeTopCardCastEffect(this);
+    }
+
+    @Override
+    public boolean applies(UUID objectId, Ability source, UUID affectedControllerId, Game game) {
+        if (!affectedControllerId.equals(source.getControllerId())) {
+            return false;
+        }
+        Card card = game.getCard(objectId);
+        if (card == null) {
+            return false;
+        }
+        Player controller = game.getPlayer(affectedControllerId);
+        if (controller == null) {
+            return false;
+        }
+        Card topCard = controller.getLibrary().getFromTop(game);
+        return game.getObject(source.getSourceId()) != null
+                && topCard != null
+                && topCard == card
+                && (topCard.isArtifact() || (!topCard.isLand() && topCard.getColor(game).isColorless()))
+                && topCard.getSpellAbility() != null
+                && topCard.getSpellAbility().spellCanBeActivatedRegularlyNow(controller.getId(), game);
+    }
+}
+
+class MysticForgeExileEffect extends OneShotEffect {
+
+    MysticForgeExileEffect() {
+        super(Outcome.Benefit);
+        staticText = "exile the top card of your library";
+    }
+
+    private MysticForgeExileEffect(final MysticForgeExileEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public MysticForgeExileEffect copy() {
+        return new MysticForgeExileEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller == null) {
+            return false;
+        }
+        return controller.moveCards(controller.getLibrary().getFromTop(game), Zone.EXILED, source, game);
+    }
+}

Mage.Sets/src/mage/sets/CoreSet2020.java

@@ -148,6 +148,7 @@ public final class CoreSet2020 extends ExpansionSet {
         cards.add(new SetCardInfo("Mu Yanling, Celestial Wind", 286, Rarity.MYTHIC, mage.cards.m.MuYanlingCelestialWind.class));
         cards.add(new SetCardInfo("Mu Yanling, Sky Dancer", 68, Rarity.MYTHIC, mage.cards.m.MuYanlingSkyDancer.class));
         cards.add(new SetCardInfo("Murder", 109, Rarity.COMMON, mage.cards.m.Murder.class));
+        cards.add(new SetCardInfo("Mystic Forge", 233, Rarity.RARE, mage.cards.m.MysticForge.class));
         cards.add(new SetCardInfo("Negate", 69, Rarity.COMMON, mage.cards.n.Negate.class));
         cards.add(new SetCardInfo("Nightpack Ambusher", 185, Rarity.RARE, mage.cards.n.NightpackAmbusher.class));
         cards.add(new SetCardInfo("Noxious Grasp", 110, Rarity.UNCOMMON, mage.cards.n.NoxiousGrasp.class));