Your search for "Feather, Radiant Arbiter 6" revealed the following:
Feather, Radiant Arbiter (Foil) (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Dan Dos Santos Card Text:Flying, lifelinkWhenever you cast a noncreature spell that targets only Feather, Radiant Arbiter, you...
Feather, Radiant Arbiter - Extended Art (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Dan Dos Santos Card Text:Flying, lifelinkWhenever you cast a noncreature spell that targets only Feather, Radiant...
Feather, Radiant Arbiter - Extended Art (Foil) (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Dan Dos Santos Card Text:Flying, lifelinkWhenever you cast a noncreature spell that targets only Feather,...