(: Add or to your mana pool.)
Krosan Cavern enters the battlefield tapped unless you sacrifice an artifact creature.
, , Sacrifice Krosan Cavern: Destroy target enchantment.
, : Target player loses 1 life.
: Add 
or 
to your mana pool.), , Sacrifice Krosan Cavern: Destroy target enchantment.
, : Target player loses 1 life.
