Name: Call for Blood Cost: 4B CMC: 5 Color: B CID: B Type: Instant -- Arcane Rules Text: As an additional cost to cast this spell, sacrifice a creature. Target creature gets -X/-X until end of turn, where X is the sacrificed creature's power. Set/Rarity: Betrayers of Kamigawa common, Salvat 2005 common Set Code: BOK-C, PSAL-C Legality: Legal in legacy, Legal in penny, Legal in vintage, Legal in predh, Legal in modern, Legal in paupercommander, Legal in duel, Legal in oathbreaker, Legal in pauper, Legal in commander Price: $0.07 Foil price: $0.20