diff --git a/Mage.Sets/src/mage/cards/u/UnderseaInvader.java b/Mage.Sets/src/mage/cards/u/UnderseaInvader.java
new file mode 100644
index 0000000000..3ca11cd31e
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/u/UnderseaInvader.java
@@ -0,0 +1,41 @@
+package mage.cards.u;
+
+import mage.MageInt;
+import mage.abilities.common.EntersBattlefieldTappedAbility;
+import mage.abilities.keyword.FlashAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class UnderseaInvader extends CardImpl {
+
+    public UnderseaInvader(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{U}{U}");
+
+        this.subtype.add(SubType.GIANT);
+        this.subtype.add(SubType.ROGUE);
+        this.power = new MageInt(5);
+        this.toughness = new MageInt(6);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // Undersear Invade enters the battlefield tapped.
+        this.addAbility(new EntersBattlefieldTappedAbility());
+    }
+
+    private UnderseaInvader(final UnderseaInvader card) {
+        super(card);
+    }
+
+    @Override
+    public UnderseaInvader copy() {
+        return new UnderseaInvader(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Kaldheim.java b/Mage.Sets/src/mage/sets/Kaldheim.java
index 29c169ac11..275f4782ad 100644
--- a/Mage.Sets/src/mage/sets/Kaldheim.java
+++ b/Mage.Sets/src/mage/sets/Kaldheim.java
@@ -116,6 +116,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("The World Tree", 275, Rarity.RARE, mage.cards.t.TheWorldTree.class));
         cards.add(new SetCardInfo("Thornmantle Striker", 387, Rarity.UNCOMMON, mage.cards.t.ThornmantleStriker.class));
         cards.add(new SetCardInfo("Toski, Bearer of Secrets", 197, Rarity.RARE, mage.cards.t.ToskiBearerOfSecrets.class));
+        cards.add(new SetCardInfo("Undersea Invader", 78, Rarity.COMMON, mage.cards.u.UnderseaInvader.class));
         cards.add(new SetCardInfo("Valkyrie Harbinger", 374, Rarity.RARE, mage.cards.v.ValkyrieHarbinger.class));
         cards.add(new SetCardInfo("Varragoth, Bloodsky Sire", 115, Rarity.RARE, mage.cards.v.VarragothBloodskySire.class));
         cards.add(new SetCardInfo("Village Rites", 117, Rarity.COMMON, mage.cards.v.VillageRites.class));
diff --git a/Utils/mtg-cards-data.txt b/Utils/mtg-cards-data.txt
index b7d65d0bd6..bc228d88de 100644
--- a/Utils/mtg-cards-data.txt
+++ b/Utils/mtg-cards-data.txt
@@ -40036,7 +40036,7 @@ Inga Rune-Eyes|Kaldheim|64|U|{3}{U}|Legendary Creature - Human Wizard|3|3|When I
 Ravenform|Kaldheim|72|C|{2}{U}|Sorcery|||Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying.$Foretell {U}|
 Reflections of Littjara|Kaldheim|73|R|{4}{U}|Enchantment|||As Reflections of Littjara enters the battlefield, choose a creature type.$Whenever you cast a spell of the chosen type, copy that spell.|
 Saw It Coming|Kaldheim|76|U|{1}{U}{U}|Instant|||Counter target spell.$Foretell {1}{U}|
-Undersear Invader|Kaldheim|78|C|{4}{U}{U}|Creature - Giant Rogue|5|6|Flash$Undersear Invader enters the battlefield tapped.|
+Undersea Invader|Kaldheim|78|C|{4}{U}{U}|Creature - Giant Rogue|5|6|Flash$Undersear Invade enters the battlefield tapped.|
 Hailstorm Valkyrie|Kaldheim|97|U|{3}{B}|Snow Creature - Angel Wizard|2|2|Flying, trample${S}{S}: Hailstorm Valkyrie gets +2/+2 until end of turn.|
 Koma's Faithful|Kaldheim|102|C|{2}{B}|Creature - Elf Cleric|3|1|Lifelink$When Koma's Faithful dies, each player mills three cards.|
 Tegrid, God of Fear|Kaldheim|112|R|{3}{B}{B}|Legendary Creature - God|4|5|Menace$Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card onto the battlefield under your control from their graveyard.|