Name: Marsh Gas Cost: B CMC: 1 Color: B CID: B Type: Instant Rules Text: All creatures get -2/-0 until end of turn. Set/Rarity: The Dark common, Fourth Edition Foreign Black Border common, Fourth Edition common, Renaissance common Set Code: DRK-C, 4BB-C, 4ED-C, REN-C Legality: Legal in vintage, Legal in premodern, Legal in commander, Legal in pauper, Legal in oldschool, Legal in paupercommander, Legal in duel, Legal in oathbreaker, Legal in legacy, Legal in predh Price: $0.10