Name: Bubbling Muck Cost: B CMC: 1 Color: B CID: B Type: Sorcery Rules Text: Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}. Set/Rarity: Urza's Destiny common, The List common Legality: Legal in premodern, Legal in duel, Legal in legacy, Legal in predh, Legal in oathbreaker, Legal in pauper, Legal in paupercommander, Legal in commander, Legal in vintage Price: $3.42 Foil price: $56.23