Implemented Dovin's Acuity

Mage.Sets/src/mage/cards/d/DovinsAcuity.java

@@ -0,0 +1,72 @@
+package mage.cards.d;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SpellCastControllerTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.ReturnToHandSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.TurnPhase;
+import mage.filter.FilterSpell;
+import mage.filter.predicate.mageobject.CardTypePredicate;
+import mage.game.Game;
+
+import java.util.EnumSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DovinsAcuity extends CardImpl {
+
+    private static final FilterSpell filter = new FilterSpell();
+
+    static {
+        filter.add(new CardTypePredicate(CardType.INSTANT));
+    }
+
+    public DovinsAcuity(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{W}{U}");
+
+        // When Dovin's Acuity enters the battlefield, you gain 2 life and draw a card.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new GainLifeEffect(2));
+        ability.addEffect(new DrawCardSourceControllerEffect(1).setText("and draw a card"));
+        this.addAbility(ability);
+
+        // Whenever you cast an instant spell during your main phase, you may return Dovin's Acuity to its owner's hand.
+        this.addAbility(new ConditionalTriggeredAbility(
+                new SpellCastControllerTriggeredAbility(
+                        new ReturnToHandSourceEffect(true), filter, true
+                ), DovinsAcuityCondition.instance,
+                "Whenever you cast an instant spell during your main phase, " +
+                        "you may return {this} to its owner's hand."
+        ));
+    }
+
+    private DovinsAcuity(final DovinsAcuity card) {
+        super(card);
+    }
+
+    @Override
+    public DovinsAcuity copy() {
+        return new DovinsAcuity(this);
+    }
+}
+
+enum DovinsAcuityCondition implements Condition {
+
+    instance;
+    private static final Set<TurnPhase> turnPhases = EnumSet.of(TurnPhase.PRECOMBAT_MAIN, TurnPhase.POSTCOMBAT_MAIN);
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return game.isActivePlayer(source.getControllerId())
+                && turnPhases.contains(game.getTurn().getPhase().getType());
+    }
+}

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

@@ -65,6 +65,7 @@ public final class RavnicaAllegiance extends ExpansionSet {
         cards.add(new SetCardInfo("Depose // Deploy", 225, Rarity.UNCOMMON, mage.cards.d.DeposeDeploy.class));
         cards.add(new SetCardInfo("Deputy of Detention", 165, Rarity.RARE, mage.cards.d.DeputyOfDetention.class));
         cards.add(new SetCardInfo("Domri, Chaos Bringer", 166, Rarity.MYTHIC, mage.cards.d.DomriChaosBringer.class));
+        cards.add(new SetCardInfo("Dovin's Acuity", 168, Rarity.UNCOMMON, mage.cards.d.DovinsAcuity.class));
         cards.add(new SetCardInfo("Dovin, Grand Arbiter", 167, Rarity.MYTHIC, mage.cards.d.DovinGrandArbiter.class));
         cards.add(new SetCardInfo("Drill Bit", 73, Rarity.UNCOMMON, mage.cards.d.DrillBit.class));
         cards.add(new SetCardInfo("Electrodominance", 99, Rarity.RARE, mage.cards.e.Electrodominance.class));