When Spinerock Cavern enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool. Return Spinerock Cavern to its owner's hand.
, : Add one mana of any color to your mana pool.
.
: Add 
to your mana pool. Return Spinerock Cavern to its owner's hand.
, : Add one mana of any color to your mana pool.
