Name: Baleful Mastery Cost: 3B CMC: 4 Color: B CID: B Type: Instant Rules Text: You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker. Set/Rarity: Magic Online Promos rare, The List rare, Strixhaven: School of Mages Promos rare, Strixhaven: School of Mages rare, Outlaws of Thunder Junction Commander rare Legality: Legal in gladiator, Legal in duel, Legal in legacy, Legal in timeless, Legal in vintage, Legal in oathbreaker, Legal in historic, Legal in penny, Legal in commander, Legal in pioneer, Legal in modern, Legal in brawl Price: $2.48 Foil price: $2.55