(: Add or to your mana pool.)
Blackcleave Shrine enters the battlefield tapped unless you control an enchantment.
, Sacrifice a Swamp: Add to your mana pool.
, , Sacrifice Blackcleave Shrine: Prevent all combat damage that would be dealt this turn.
: Add 
or 
to your mana pool.), Sacrifice a Swamp: Add to your mana pool., , Sacrifice Blackcleave Shrine: Prevent all combat damage that would be dealt this turn.
