Magic: The Gathering Oracle Changes - Morningtide to Shadowmoor

Old card (Morningtide)	New card (Shadowmoor)
Bubbling Muck [Click to view all changes.]
Bubbling Muck {B} Sorcery Until end of turn, whenever a player taps a Swamp for mana, its controller adds {B} to his or her mana pool.	Bubbling Muck {B} Sorcery Until end of turn, whenever a player taps a Swamp for mana, that player adds {B} to his or her mana pool.

Old card (Morningtide)

New card (Shadowmoor)

Bubbling Muck

{B}

Sorcery

Until end of turn, whenever a player taps a Swamp for mana, its controller adds {B} to his or her mana pool.

Bubbling Muck

{B}

Sorcery

Until end of turn, whenever a player taps a Swamp for mana, that player adds {B} to his or her mana pool.