Your search for "Undersea Invader 78" revealed the following:
Undersea Invader (Foil) (KHM) from Kaldheim, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lorenzo Mastroianni Card Text:FlashUndersea Invader enters the battlefield tapped.
Undersea Invader (KHM) from Kaldheim, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lorenzo Mastroianni Card Text:FlashUndersea Invader enters the battlefield tapped.
Undersea Invader (J22) from Jumpstart 2022, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lorenzo Mastroianni Card Text:FlashUndersea Invader enters the battlefield tapped.
Undersea Invader (J25) from Foundations Jumpstart, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lorenzo Mastroianni Card Text:Flash (You may cast this spell any time you could cast an instant.)Undersea Invader enters the battlefield tapped.