Name: Mark of the Oni Cost: 2B CMC: 3 Color: B CID: B Type: Enchantment -- Aura Rules Text: Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice this Aura. Set/Rarity: Betrayers of Kamigawa uncommon Set Code: BOK-U Legality: Legal in duel, Legal in legacy, Legal in oathbreaker, Legal in predh, Legal in vintage, Legal in modern, Legal in commander Price: $0.26 Foil price: $3.46