Your search for "Mathas, Fiend Seeker 523" revealed the following:
Mathas, Fiend Seeker (Foil) (C17) from Commander 2017, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Joe Slucher Card Text:MenaceAt the beginning of your end step, put a bounty counter on target creature an opponent controls. For...
Mathas, Fiend Seeker (2X2) from Double Masters 2022, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Joe Slucher Card Text:MenaceAt the beginning of your end step, put a bounty counter on target creature an opponent controls. For as...
Mathas, Fiend Seeker (Etched) (2X2) from Double Masters 2022, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Joe Slucher Card Text:MenaceAt the beginning of your end step, put a bounty counter on target creature an opponent controls. For...
Mathas, Fiend Seeker (Foil) (2X2) from Double Masters 2022, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Joe Slucher Card Text:MenaceAt the beginning of your end step, put a bounty counter on target creature an opponent controls. For...