Your search for "Nyxborn Colossus 191" revealed the following:
Nyxborn Colossus (THB) from Theros Beyond Death, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mathias Kollros
Nyxborn Colossus (Foil) (THB) from Theros Beyond Death, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Mathias Kollros