Bubbling Muck Tweet Details Color: Black Card Text: Until end of turn, whenever a player taps a Swamp for mana, its controller adds B to his or her mana pool. Rarity: C Cost: B Card Type: Sorcery Artist: Greg & Tim Hildebrandt Name: Bubbling Muck Finish: Regular Card Number: 54/144 Set Name: Urza's Destiny
