(: Add or to your mana pool.)
When Caves Stand enters the battlefield, sacrifice it unless you pay .
: Caves Stand becomes a 2/1 black and green Cleric creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.).: Caves Stand becomes a 2/1 black and green Cleric creature until end of turn. It's still a land.
