Your search for "Plains 255" revealed the following:
Plains (255) (AKH) from Amonkhet, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Volkan Baǵa
Plains (255) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Adam Paquette
Plains (255) (CLU) from Ravnica: Clue Edition, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Yeong-Hao Han
Plains (255) (Foil) (ORI) from Magic Origins, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Adam Paquette