Fetid Marsh enters the battlefield tapped unless you pay .
, : Add to your mana pool.
: Fetid Marsh becomes a 2/1 black and blue Horror creature until end of turn. It's still a land.
., 
: Add 
to your mana pool., : Add to your mana pool.: Fetid Marsh becomes a 2/1 black and blue Horror creature until end of turn. It's still a land.
