diff --git a/Mage.Sets/src/mage/cards/k/KillersMask.java b/Mage.Sets/src/mage/cards/k/KillersMask.java
new file mode 100644
index 00000000000..2c73b58f9cb
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/k/KillersMask.java
@@ -0,0 +1,47 @@
+package mage.cards.k;
+
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.ManifestDreadThenAttachEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.abilities.keyword.EquipAbility;
+import mage.abilities.keyword.MenaceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.AttachmentType;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KillersMask extends CardImpl {
+
+    public KillersMask(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}{B}");
+
+        this.subtype.add(SubType.EQUIPMENT);
+
+        // When Killer's Mask enters, manifest dread, then attach Killer's Mask to that creature.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new ManifestDreadThenAttachEffect()));
+
+        // Equipped creature has menace.
+        this.addAbility(new SimpleStaticAbility(new GainAbilityAttachedEffect(
+                new MenaceAbility(false), AttachmentType.EQUIPMENT
+        )));
+
+        // Equip {2}
+        this.addAbility(new EquipAbility(2));
+    }
+
+    private KillersMask(final KillersMask card) {
+        super(card);
+    }
+
+    @Override
+    public KillersMask copy() {
+        return new KillersMask(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DuskmournHouseOfHorror.java b/Mage.Sets/src/mage/sets/DuskmournHouseOfHorror.java
index 2767d9b8782..a272e536946 100644
--- a/Mage.Sets/src/mage/sets/DuskmournHouseOfHorror.java
+++ b/Mage.Sets/src/mage/sets/DuskmournHouseOfHorror.java
@@ -108,6 +108,7 @@ public final class DuskmournHouseOfHorror extends ExpansionSet {
         cards.add(new SetCardInfo("Insidious Fungus", 186, Rarity.UNCOMMON, mage.cards.i.InsidiousFungus.class));
         cards.add(new SetCardInfo("Intruding Soulrager", 218, Rarity.UNCOMMON, mage.cards.i.IntrudingSoulrager.class));
         cards.add(new SetCardInfo("Island", 273, Rarity.LAND, mage.cards.basiclands.Island.class, FULL_ART_BFZ_VARIOUS));
+        cards.add(new SetCardInfo("Killer's Mask", 104, Rarity.UNCOMMON, mage.cards.k.KillersMask.class));
         cards.add(new SetCardInfo("Kona, Rescue Beastie", 187, Rarity.RARE, mage.cards.k.KonaRescueBeastie.class));
         cards.add(new SetCardInfo("Lakeside Shack", 262, Rarity.COMMON, mage.cards.l.LakesideShack.class));
         cards.add(new SetCardInfo("Let's Play a Game", 105, Rarity.UNCOMMON, mage.cards.l.LetsPlayAGame.class));