diff --git a/Mage.Sets/src/mage/cards/l/LightningMare.java b/Mage.Sets/src/mage/cards/l/LightningMare.java
new file mode 100644
index 00000000000..557cd1daa89
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/l/LightningMare.java
@@ -0,0 +1,68 @@
+package mage.cards.l;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.ObjectColor;
+import mage.abilities.common.CantBeCounteredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.combat.CantBeBlockedByCreaturesSourceEffect;
+import mage.abilities.effects.common.continuous.BoostSourceEffect;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.ColorPredicate;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class LightningMare extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("blue creatures");
+
+    static {
+        filter.add(new ColorPredicate(ObjectColor.BLUE));
+    }
+
+    public LightningMare(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{R}{R}");
+
+        this.subtype.add(SubType.ELEMENTAL);
+        this.subtype.add(SubType.HORSE);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(1);
+
+        // This spell can't be countered.
+        this.addAbility(new CantBeCounteredAbility());
+
+        // Lightning Mare can't be blocked by blue creatures.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.BATTLEFIELD,
+                new CantBeBlockedByCreaturesSourceEffect(
+                        filter, Duration.WhileOnBattlefield
+                )
+        ));
+
+        // {1}{R}: Lightning Mare gets +1/+0 until end of turn.
+        this.addAbility(new SimpleActivatedAbility(
+                Zone.BATTLEFIELD,
+                new BoostSourceEffect(1, 0, Duration.EndOfTurn),
+                new ManaCostsImpl("{1}{R}")
+        ));
+    }
+
+    public LightningMare(final LightningMare card) {
+        super(card);
+    }
+
+    @Override
+    public LightningMare copy() {
+        return new LightningMare(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CoreSet2019.java b/Mage.Sets/src/mage/sets/CoreSet2019.java
index e571cdd04dd..e4804f205a9 100644
--- a/Mage.Sets/src/mage/sets/CoreSet2019.java
+++ b/Mage.Sets/src/mage/sets/CoreSet2019.java
@@ -108,6 +108,7 @@ public final class CoreSet2019 extends ExpansionSet {
         cards.add(new SetCardInfo("Lathliss, Dragon Queen", 149, Rarity.RARE, mage.cards.l.LathlissDragonQueen.class));
         cards.add(new SetCardInfo("Lava Axe", 150, Rarity.COMMON, mage.cards.l.LavaAxe.class));
         cards.add(new SetCardInfo("Lich's Caress", 105, Rarity.COMMON, mage.cards.l.LichsCaress.class));
+        cards.add(new SetCardInfo("Lightning Mare", 151, Rarity.UNCOMMON, mage.cards.l.LightningMare.class));
         cards.add(new SetCardInfo("Lightning Strike", 152, Rarity.COMMON, mage.cards.l.LightningStrike.class));
         cards.add(new SetCardInfo("Liliana's Spoils", 294, Rarity.RARE, mage.cards.l.LilianasSpoils.class));
         cards.add(new SetCardInfo("Liliana, the Necromancer", 291, Rarity.MYTHIC, mage.cards.l.LilianaTheNecromancer.class));
diff --git a/Mage/src/main/java/mage/abilities/common/CantBeCounteredAbility.java b/Mage/src/main/java/mage/abilities/common/CantBeCounteredAbility.java
index 873abb84fdf..7aaab64c222 100644
--- a/Mage/src/main/java/mage/abilities/common/CantBeCounteredAbility.java
+++ b/Mage/src/main/java/mage/abilities/common/CantBeCounteredAbility.java
@@ -22,7 +22,7 @@ public class CantBeCounteredAbility extends StaticAbility {
 
     @Override
     public String getRule() {
-        return "{this} can't be countered.";
+        return "This spell can't be countered.";
     }
 
     @Override