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 Set Code: PRM-R, PLST-R, PSTX-R, STX-R, OTC-R Legality: Legal in penny, Legal in pioneer, Legal in legacy, Legal in commander, Legal in duel, Legal in historic, Legal in modern, Legal in gladiator, Legal in vintage, Legal in oathbreaker, Legal in brawl, Legal in timeless Price: $2.52 Foil price: $2.57