When Bloodstained Cavern enters the battlefield, sacrifice it unless you pay 2 life.
, : Add , or to your mana pool.
: Bloodstained Cavern becomes a 2/1 red and black Elemental creature until end of turn. It's still a land.
, 
: Add 
, 
or to your mana pool.: Bloodstained Cavern becomes a 2/1 red and black Elemental creature until end of turn. It's still a land.
