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 commander, Legal in pioneer, Legal in penny, Legal in brawl, Legal in gladiator, Legal in historic, Legal in modern, Legal in vintage, Legal in legacy, Legal in duel, Legal in oathbreaker, Legal in timeless, Legal in competitivebrawl Price: $1.73 Foil price: $2.89