Added card "Holochess" and its abilities and effects

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

@@ -24,7 +24,7 @@ public class DyadForceTransfer extends CardImpl {
         this.getSpellAbility().addEffect(new ScryEffect(3, true));
     }
 
-    public DyadForceTransfer(DyadForceTransfer card) {
+    public DyadForceTransfer(final DyadForceTransfer card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/f/FestivalOfTheAncestors.java

@@ -17,7 +17,7 @@ public class FestivalOfTheAncestors extends CardImpl {
         this.getSpellAbility().addTarget(new TargetPlayer());
     }
 
-    public FestivalOfTheAncestors(FestivalOfTheAncestors card) {
+    public FestivalOfTheAncestors(final FestivalOfTheAncestors card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/f/FirstOrderJetTrooper.java

@@ -39,7 +39,7 @@ public class FirstOrderJetTrooper extends CardImpl {
         this.addAbility(ability);
     }
 
-    public FirstOrderJetTrooper(FirstOrderJetTrooper card) {
+    public FirstOrderJetTrooper(final FirstOrderJetTrooper card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/f/ForceLift.java

@@ -34,7 +34,7 @@ public class ForceLift extends CardImpl {
         this.getSpellAbility().addEffect(new ScryEffect(1));
     }
 
-    public ForceLift(ForceLift card) {
+    public ForceLift(final ForceLift card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/g/GeneralOrgana.java

@@ -40,7 +40,7 @@ public class GeneralOrgana extends CardImpl {
         this.addAbility(new LeavesBattlefieldTriggeredAbility(new ScryEffect(2), false));
     }
 
-    public GeneralOrgana(GeneralOrgana card) {
+    public GeneralOrgana(final GeneralOrgana card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/h/HiddenBase.java

@@ -39,7 +39,7 @@ public class HiddenBase extends CardImpl {
         this.addAbility(simpleActivatedAbility);
     }
 
-    public HiddenBase(HiddenBase card) {
+    public HiddenBase(final HiddenBase card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/h/HoldCaptive.java

@@ -32,7 +32,7 @@ public class HoldCaptive extends CardImpl {
         this.addAbility(new SimpleStaticAbility(new CantBlockAttackActivateAttachedEffect()));
     }
 
-    public HoldCaptive(HoldCaptive card) {
+    public HoldCaptive(final HoldCaptive card) {
         super(card);
     }
 

Mage.Sets/src/mage/cards/h/Holochess.java

@@ -1,4 +1,92 @@
 package mage.cards.h;
 
-public class Holochess {
+import mage.abilities.Ability;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CounterUnlessPaysEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetSpell;
+import mage.target.common.TargetOpponent;
+import mage.target.targetpointer.FixedTarget;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author Merlingilb
+ */
+public class Holochess extends CardImpl {
+    public Holochess(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{2}{U}");
+
+        //Choose a number between 0 and 3. If the chosen number is less than the number of creatures an opponent controls,
+        //draw X cards where X is the chosen number. Otherwise, counter target spell unless its controller pays {X}.
+        this.getSpellAbility().addEffect(new HolochessEffect());
+        this.getSpellAbility().addTarget(new TargetOpponent());
+    }
+
+    public Holochess(Holochess card) {
+        super(card);
+    }
+
+    @Override
+    public Holochess copy() {
+        return new Holochess(this);
+    }
+}
+
+class HolochessEffect extends OneShotEffect {
+
+    HolochessEffect() {
+        super(Outcome.Benefit);
+        staticText = "Choose a number between 0 and 3. If the chosen number is less than the number of creatures an " +
+                "opponent controls, draw X cards where X is the chosen number. Otherwise, counter target spell " +
+                "unless its controller pays {X}.";
+    }
+
+    private HolochessEffect(final HolochessEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public HolochessEffect copy() {
+        return new HolochessEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        Player opponent = game.getPlayer(source.getFirstTarget());
+        if (player == null || opponent == null) {
+            return false;
+        }
+        int chosenNumber = player.getAmount(0, 3, "Choose a number between 0 and 3", game);
+        List<Permanent> creaturesControlledByOpponent = game.getBattlefield().getActivePermanents(
+                StaticFilters.FILTER_PERMANENT_CREATURES, opponent.getId(), game);
+        if (chosenNumber < creaturesControlledByOpponent.size()) {
+            player.drawCards(chosenNumber, source, game);
+        }
+        else {
+            if (game.getStack().isEmpty()) {
+                return false;
+            }
+            CounterUnlessPaysEffect counterUnlessPaysEffect = new CounterUnlessPaysEffect(
+                    new GenericManaCost(chosenNumber));
+            TargetSpell targetSpell = new TargetSpell();
+            player.chooseTarget(Outcome.Benefit, targetSpell, source, game);
+            if (targetSpell.getFirstTarget() == null) {
+                return false;
+            }
+            counterUnlessPaysEffect.setTargetPointer(new FixedTarget(targetSpell.getFirstTarget()));
+            return counterUnlessPaysEffect.apply(game, source);
+        }
+        return true;
+    }
 }