Implemented Mass Manipulation

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

@@ -0,0 +1,50 @@
+package mage.cards.m;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.common.continuous.GainControlTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.game.Game;
+import mage.target.common.TargetCreatureOrPlaneswalker;
+import mage.target.targetadjustment.TargetAdjuster;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MassManipulation extends CardImpl {
+
+    public MassManipulation(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{X}{X}{U}{U}{U}{U}");
+
+        // Gain control of X target creatures and/or planeswalkers.
+        this.getSpellAbility().addEffect(
+                new GainControlTargetEffect(Duration.Custom, true)
+                        .setText("Gain control of X target creatures and/or planeswalkers.")
+        );
+        this.getSpellAbility().addTarget(new TargetCreatureOrPlaneswalker());
+        this.getSpellAbility().setTargetAdjuster(MassManipulationAdjuster.instance);
+    }
+
+    private MassManipulation(final MassManipulation card) {
+        super(card);
+    }
+
+    @Override
+    public MassManipulation copy() {
+        return new MassManipulation(this);
+    }
+}
+
+enum MassManipulationAdjuster implements TargetAdjuster {
+    instance;
+
+    @Override
+    public void adjustTargets(Ability ability, Game game) {
+        ability.getTargets().clear();
+        ability.addTarget(new TargetCreatureOrPlaneswalker(ability.getManaCosts().getX()));
+    }
+}

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

@@ -58,6 +58,7 @@ public final class RavnicaAllegiance extends ExpansionSet {
         cards.add(new SetCardInfo("Judith, the Scourge Diva", 185, Rarity.RARE, mage.cards.j.JudithTheScourgeDiva.class));
         cards.add(new SetCardInfo("Kaya, Orzhov Usurper", 186, Rarity.MYTHIC, mage.cards.k.KayaOrzhovUsurper.class));
         cards.add(new SetCardInfo("Light Up the Stage", 107, Rarity.UNCOMMON, mage.cards.l.LightUpTheStage.class));
+        cards.add(new SetCardInfo("Mass Manipulation", 42, Rarity.RARE, mage.cards.m.MassManipulation.class));
         cards.add(new SetCardInfo("Mortify", 192, Rarity.UNCOMMON, mage.cards.m.Mortify.class));
         cards.add(new SetCardInfo("Orzhov Guildgate", 252, Rarity.COMMON, mage.cards.o.OrzhovGuildgate.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Orzhov Guildgate", 253, Rarity.COMMON, mage.cards.o.OrzhovGuildgate.class, NON_FULL_USE_VARIOUS));

Mage/src/main/java/mage/target/common/TargetCreatureOrPlaneswalker.java

@@ -1,20 +1,28 @@
 
 package mage.target.common;
 
-import java.util.UUID;
 import mage.abilities.Ability;
 import mage.filter.common.FilterCreatureOrPlaneswalkerPermanent;
 import mage.game.Game;
 import mage.players.Player;
 import mage.target.TargetPermanent;
 
+import java.util.UUID;
+
 /**
- *
  * @author LevelX2
  */
 public class TargetCreatureOrPlaneswalker extends TargetPermanent {
 
     public TargetCreatureOrPlaneswalker() {
+        this(1);
+    }
+
+    public TargetCreatureOrPlaneswalker(int numTargets) {
+        this(numTargets, numTargets);
+    }
+
+    public TargetCreatureOrPlaneswalker(int minNumTargets, int maxNumTargets) {
         this(1, 1, new FilterCreatureOrPlaneswalkerPermanent(), false);
     }