Name: Stinging Study Cost: 4B CMC: 5 Color: B CID: B Type: Instant Rules Text: You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone. Set/Rarity: Magic Online Promos rare, Commander 2021 rare Legality: Legal in commander, Legal in oathbreaker, Legal in legacy, Legal in duel, Legal in vintage Price: $5.94