(: Add or to your mana pool.)
When Calciform Tar Pit enters the battlefield, sacrifice it unless you pay 3 life.
: Calciform Tar Pit becomes a 2/2 white Kor creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Calciform Tar Pit becomes a 2/2 white Kor creature until end of turn. It's still a land.
