(: Add or to your mana pool.)
Bog Karst enters the battlefield tapped unless you pay .
, , Sacrifice Bog Karst: Put a -1/-1 counter on target creature.
, : You gain 1 life.
: Add 
or 
to your mana pool.)., , Sacrifice Bog Karst: Put a -1/-1 counter on target creature.
, : You gain 1 life.
