Sorcery
Bubbling Muck
Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.
From Magic: The Gathering.
Exact printings
- Urza's Destiny - #54 · common · FOIL · EN
- The List - #UDS-54 · common · NORMAL · EN
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o2onr0ovppb1h2nw5uaam.