When Cloudcrest Keep enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
: Prevent the next 1 damage that would be dealt to target creature this turn.
.
: Add 
to your mana pool.: Add 
or to your mana pool. Each opponent gains 1 life.: Prevent the next 1 damage that would be dealt to target creature this turn.
