When Dormant Karst enters the battlefield, sacrifice it unless you pay 1 life.
: Add to your mana pool. Return Dormant Karst to its owner's hand.
: Dormant Karst becomes a 2/2 red Ogre creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Dormant Karst to its owner's hand.
: Dormant Karst becomes a 2/2 red Ogre creature until end of turn. It's still a land.
