diff --git a/Mage.Sets/src/mage/cards/c/CaseOfTheGatewayExpress.java b/Mage.Sets/src/mage/cards/c/CaseOfTheGatewayExpress.java
new file mode 100644
index 00000000000..4ae43d9905d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/c/CaseOfTheGatewayExpress.java
@@ -0,0 +1,139 @@
+package mage.cards.c;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.CaseAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.SolvedSourceCondition;
+import mage.abilities.decorator.ConditionalContinuousEffect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.hint.common.CaseSolvedHint;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+import mage.watchers.common.AttackedThisTurnWatcher;
+
+/**
+ * Case of the Gateway Express {1}{W}
+ * Enchantment - Case
+ * When this case enters the battlefield, choose target creature you don't control. Each creature you control deals 1 damage to that creature.
+ * To solve -- Three or more creatures attacked this turn.
+ * Solved -- Creatures you control get +1/+0.
+ *
+ * @author DominionSpy
+ */
+public final class CaseOfTheGatewayExpress extends CardImpl {
+
+    public CaseOfTheGatewayExpress(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{W}");
+
+        this.subtype.add(SubType.CASE);
+
+        // When this case enters the battlefield, choose target creature you don't control. Each creature you control deals 1 damage to that creature.
+        Ability initialAbility = new EntersBattlefieldTriggeredAbility(
+                new CaseOfTheGatewayExpressEffect());
+        initialAbility.addTarget(new TargetPermanent(StaticFilters.FILTER_CREATURE_YOU_DONT_CONTROL));
+        // To solve -- Three or more creatures attacked this turn.
+        Condition toSolveCondition = new CaseOfTheGatewayExpressCondition();
+        // Solved -- Creatures you control get +1/+0.
+        Ability solvedAbility = new SimpleStaticAbility(new ConditionalContinuousEffect(
+                new BoostControlledEffect(1, 0, Duration.WhileOnBattlefield),
+                SolvedSourceCondition.SOLVED, ""));
+
+        this.addAbility(new CaseAbility(initialAbility, toSolveCondition, solvedAbility)
+                .addHint(new CaseOfTheGatewayExpressHint(toSolveCondition)));
+    }
+
+    private CaseOfTheGatewayExpress(final CaseOfTheGatewayExpress card) {
+        super(card);
+    }
+
+    @Override
+    public CaseOfTheGatewayExpress copy() {
+        return new CaseOfTheGatewayExpress(this);
+    }
+}
+
+class CaseOfTheGatewayExpressEffect extends OneShotEffect {
+
+    CaseOfTheGatewayExpressEffect() {
+        super(Outcome.Damage);
+        staticText = "choose target creature you don't control. " +
+                "Each creature you control deals 1 damage to that creature.";
+    }
+
+    private CaseOfTheGatewayExpressEffect(final CaseOfTheGatewayExpressEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CaseOfTheGatewayExpressEffect copy() {
+        return new CaseOfTheGatewayExpressEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getFirstTarget());
+        if (permanent == null) {
+            return false;
+        }
+        for (Permanent creature : game.getBattlefield().getActivePermanents(
+                StaticFilters.FILTER_CONTROLLED_CREATURE,
+                source.getControllerId(), source, game)) {
+            if (creature == null) {
+                continue;
+            }
+            permanent.damage(1, creature.getId(), source, game);
+        }
+        return true;
+    }
+}
+
+class CaseOfTheGatewayExpressCondition implements Condition {
+
+    @Override
+    public boolean apply(Game game, Ability ability) {
+        AttackedThisTurnWatcher watcher = game.getState().getWatcher(AttackedThisTurnWatcher.class);
+        return watcher != null && watcher.getAttackedThisTurnCreatures().size() >= 3;
+    }
+
+    @Override
+    public String toString() {
+        return "Three or more creatures attacked this turn";
+    }
+}
+
+class CaseOfTheGatewayExpressHint extends CaseSolvedHint {
+
+    CaseOfTheGatewayExpressHint(Condition condition) {
+        super(condition);
+    }
+
+    private CaseOfTheGatewayExpressHint(final CaseOfTheGatewayExpressHint hint) {
+        super(hint);
+    }
+
+    @Override
+    public CaseOfTheGatewayExpressHint copy() {
+        return new CaseOfTheGatewayExpressHint(this);
+    }
+
+    @Override
+    public String getConditionText(Game game, Ability ability) {
+        int attacked = game.getState()
+                .getWatcher(AttackedThisTurnWatcher.class)
+                .getAttackedThisTurnCreatures().size();
+        return "Creatures that attacked: " + attacked + " (need 3).";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
index 7dc5fe304cb..53546486856 100644
--- a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
+++ b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
@@ -50,6 +50,7 @@ public final class MurdersAtKarlovManor extends ExpansionSet {
         cards.add(new SetCardInfo("Case of the Burning Masks", 113, Rarity.UNCOMMON, mage.cards.c.CaseOfTheBurningMasks.class));
         cards.add(new SetCardInfo("Case of the Crimson Pulse", 114, Rarity.RARE, mage.cards.c.CaseOfTheCrimsonPulse.class));
         cards.add(new SetCardInfo("Case of the Filched Falcon", 44, Rarity.UNCOMMON, mage.cards.c.CaseOfTheFilchedFalcon.class));
+        cards.add(new SetCardInfo("Case of the Gateway Express", 8, Rarity.UNCOMMON, mage.cards.c.CaseOfTheGatewayExpress.class));
         cards.add(new SetCardInfo("Case of the Gorgon's Kiss", 79, Rarity.UNCOMMON, mage.cards.c.CaseOfTheGorgonsKiss.class));
         cards.add(new SetCardInfo("Case of the Locked Hothouse", 155, Rarity.RARE, mage.cards.c.CaseOfTheLockedHothouse.class));
         cards.add(new SetCardInfo("Case of the Ransacked Lab", 45, Rarity.RARE, mage.cards.c.CaseOfTheRansackedLab.class));