[SLD] Implement Arden Angel

Mage.Sets/src/mage/cards/a/ArdenAngel.java

@@ -0,0 +1,85 @@
+package mage.cards.a;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.decorator.ConditionalInterveningIfTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.FlyingAbility;
+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 ArdenAngel extends CardImpl {
+
+    public ArdenAngel(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{W}{W}");
+
+        this.subtype.add(SubType.ANGEL);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // At the beginning of your upkeep, if Arden Angel is in your graveyard, roll a four-sided die. If the result is 1, return Arden Angel from your graveyard to the battlefield.
+        this.addAbility(new ConditionalInterveningIfTriggeredAbility(
+                new BeginningOfUpkeepTriggeredAbility(new ArdenAngelEffect(), TargetController.YOU, false),
+                ArdenAngelCondition.instance, "At the beginning of your upkeep, if {this} is in your graveyard, " +
+                "roll a four-sided die. If the result is 1, return {this} from your graveyard to the battlefield."
+        ));
+    }
+
+    private ArdenAngel(final ArdenAngel card) {
+        super(card);
+    }
+
+    @Override
+    public ArdenAngel copy() {
+        return new ArdenAngel(this);
+    }
+}
+
+enum ArdenAngelCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return game.getState().getZone(source.getSourceId()) == Zone.GRAVEYARD;
+    }
+}
+
+class ArdenAngelEffect extends OneShotEffect {
+
+    ArdenAngelEffect() {
+        super(Outcome.Benefit);
+    }
+
+    private ArdenAngelEffect(final ArdenAngelEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ArdenAngelEffect copy() {
+        return new ArdenAngelEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null || player.rollDice(outcome, source, game, 4) != 1) {
+            return false;
+        }
+        Card card = game.getCard(source.getSourceId());
+        return card != null && player.moveCards(card, Zone.BATTLEFIELD, source, game);
+    }
+}