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 Legality: Legal in oathbreaker, Legal in predh, Legal in legacy, Legal in duel, Legal in modern, Legal in penny, Legal in commander, Legal in vintage, Legal in paupercommander, Legal in pauper Price: $0.03 Foil price: $0.75