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 timeless, Legal in modern, Legal in historic, Legal in brawl, Legal in oathbreaker, Legal in pioneer, Legal in duel, Legal in vintage, Legal in legacy, Legal in penny, Legal in commander, Legal in gladiator Price: $1.29 Foil price: $1.74