(: Add or to your mana pool.)
Centaur Tomb enters the battlefield tapped unless you sacrifice a basic land.
, , Sacrifice Centaur Tomb: Destroy target artifact.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.), , Sacrifice Centaur Tomb: Destroy target artifact., Sacrifice a Swamp: Add to your mana pool.
