(: Add or to your mana pool.)
Fetid Karst enters the battlefield tapped unless you pay .
, Sacrifice a Swamp: Add to your mana pool.
, : Target green creature gets +2/+2 until end of turn.
: Add 
or 
to your mana pool.)., Sacrifice a Swamp: Add to your mana pool.
, : Target green creature gets +2/+2 until end of turn.
