(Fetid Pools isn't a spell.)
Fetid Pools enters the battlefield tapped unless you pay .
, : Scry 2.
: Add or to your mana pool.
: Add to your mana pool. Put Fetid Pools on top of your library.
., 
: Scry 2.: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Fetid Pools on top of your library.
