[DMC] Implemented The Ever-Changing 'Dane

Mage.Sets/src/mage/cards/t/TheEverChangingDane.java

@@ -0,0 +1,103 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.util.CardUtil;
+import mage.util.functions.CopyApplier;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class TheEverChangingDane extends CardImpl {
+
+    public TheEverChangingDane(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{W}{U}{B}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.SHAPESHIFTER);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // {1}, Sacrifice another creature: The Ever-Changing 'Dane becomes a copy of the sacrificed creature, except it has this ability.
+        this.addAbility(makeAbility());
+    }
+
+    private TheEverChangingDane(final TheEverChangingDane card) {
+        super(card);
+    }
+
+    @Override
+    public TheEverChangingDane copy() {
+        return new TheEverChangingDane(this);
+    }
+
+    static Ability makeAbility() {
+        Ability ability = new SimpleActivatedAbility(new TheEverChangingDaneEffect(), new GenericManaCost(1));
+        ability.addCost(new SacrificeTargetCost(StaticFilters.FILTER_CONTROLLED_ANOTHER_CREATURE));
+        return ability;
+    }
+}
+
+class TheEverChangingDaneEffect extends OneShotEffect {
+
+    TheEverChangingDaneEffect() {
+        super(Outcome.Benefit);
+        staticText = "{this} becomes a copy of the sacrificed creature, except it has this ability";
+    }
+
+    private TheEverChangingDaneEffect(final TheEverChangingDaneEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TheEverChangingDaneEffect copy() {
+        return new TheEverChangingDaneEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (permanent == null) {
+            return false;
+        }
+        Permanent sacrificedPermanent = CardUtil
+                .castStream(source.getCosts().stream(), SacrificeTargetCost.class)
+                .filter(Objects::nonNull)
+                .map(SacrificeTargetCost::getPermanents)
+                .flatMap(Collection::stream)
+                .findAny()
+                .orElse(null);
+        if (sacrificedPermanent == null) {
+            return false;
+        }
+        game.copyPermanent(sacrificedPermanent, permanent.getId(), source, new TheEverChangingDaneCopyApplier());
+        return true;
+    }
+}
+
+class TheEverChangingDaneCopyApplier extends CopyApplier {
+
+    @Override
+    public boolean apply(Game game, MageObject blueprint, Ability source, UUID copyToObjectId) {
+        blueprint.getAbilities().add(TheEverChangingDane.makeAbility());
+        return true;
+    }
+}

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

@@ -187,6 +187,7 @@ public final class DominariaUnitedCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Terramorphic Expanse", 239, Rarity.COMMON, mage.cards.t.TerramorphicExpanse.class));
         cards.add(new SetCardInfo("Teshar, Ancestor's Apostle", 105, Rarity.RARE, mage.cards.t.TesharAncestorsApostle.class));
         cards.add(new SetCardInfo("The Circle of Loyalty", 98, Rarity.MYTHIC, mage.cards.t.TheCircleOfLoyalty.class));
+        cards.add(new SetCardInfo("The Ever-Changing 'Dane", 30, Rarity.RARE, mage.cards.t.TheEverChangingDane.class));
         cards.add(new SetCardInfo("The Mana Rig", 28, Rarity.MYTHIC, mage.cards.t.TheManaRig.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Mana Rig", 80, Rarity.MYTHIC, mage.cards.t.TheManaRig.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("The Reaver Cleaver", 8, Rarity.RARE, mage.cards.t.TheReaverCleaver.class, NON_FULL_USE_VARIOUS));