Name: Cloudkill Cost: 4BB CMC: 6 Color: B CID: B Type: Sorcery Rules Text: All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. Set/Rarity: Commander Legends: Battle for Baldur's Gate uncommon Set Code: CLB-U Legality: Legal in vintage, Legal in oathbreaker, Legal in duel, Legal in commander, Legal in legacy Price: $0.18 Foil price: $0.17