Name: Dark Betrayal Cost: B CMC: 1 Color: B CID: B Type: Instant Rules Text: Destroy target black creature. Set/Rarity: Theros uncommon, Pioneer Masters uncommon Set Code: THS-U, PIO-U Legality: Legal in pioneer, Legal in vintage, Legal in oathbreaker, Legal in historic, Legal in brawl, Legal in gladiator, Legal in timeless, Legal in duel, Legal in commander, Legal in penny, Legal in legacy, Legal in modern Price: $0.09 Foil price: $0.56