diff --git a/Mage.Sets/src/mage/cards/w/Whack.java b/Mage.Sets/src/mage/cards/w/Whack.java
new file mode 100644
index 00000000000..c32d9bf9447
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/w/Whack.java
@@ -0,0 +1,55 @@
+package mage.cards.w;
+
+import mage.ObjectColor;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.SourceTargetsPermanentCondition;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Zone;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.ColorPredicate;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class Whack extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterCreaturePermanent("a white creature");
+
+    static {
+        filter.add(new ColorPredicate(ObjectColor.WHITE));
+    }
+
+    private static final Condition condition = new SourceTargetsPermanentCondition(filter);
+
+    public Whack(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{B}");
+
+        // This spell costs {3} less to cast if it targets a white creature.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL, new SpellCostReductionSourceEffect(3, condition).setCanWorksOnStackOnly(true)
+        ).setRuleAtTheTop(true));
+
+        // Target creature gets -4/-4 until end of turn.
+        this.getSpellAbility().addEffect(new BoostTargetEffect(-4, -4));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private Whack(final Whack card) {
+        super(card);
+    }
+
+    @Override
+    public Whack copy() {
+        return new Whack(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/StreetsOfNewCapenna.java b/Mage.Sets/src/mage/sets/StreetsOfNewCapenna.java
index 10555fb469f..298d2168d49 100644
--- a/Mage.Sets/src/mage/sets/StreetsOfNewCapenna.java
+++ b/Mage.Sets/src/mage/sets/StreetsOfNewCapenna.java
@@ -171,6 +171,7 @@ public final class StreetsOfNewCapenna extends ExpansionSet {
         cards.add(new SetCardInfo("Voice of the Vermin", 163, Rarity.UNCOMMON, mage.cards.v.VoiceOfTheVermin.class));
         cards.add(new SetCardInfo("Void Rend", 230, Rarity.RARE, mage.cards.v.VoidRend.class));
         cards.add(new SetCardInfo("Waterfront District", 259, Rarity.COMMON, mage.cards.w.WaterfrontDistrict.class));
+        cards.add(new SetCardInfo("Whack", 99, Rarity.UNCOMMON, mage.cards.w.Whack.class));
         cards.add(new SetCardInfo("Witness Protection", 66, Rarity.COMMON, mage.cards.w.WitnessProtection.class));
         cards.add(new SetCardInfo("Workshop Warchief", 432, Rarity.RARE, mage.cards.w.WorkshopWarchief.class));
         cards.add(new SetCardInfo("Xander's Lounge", 260, Rarity.RARE, mage.cards.x.XandersLounge.class));