Caldera Flats enters the battlefield tapped unless you pay .
: Add to your mana pool. Return Caldera Flats to its owner's hand.
, , Sacrifice Caldera Flats: Destroy target colorless permanent.
.
: Add 
to your mana pool. Return Caldera Flats to its owner's hand.
, , Sacrifice Caldera Flats: Destroy target colorless permanent.
