Breeding Cavern enters the battlefield tapped unless you reveal a monocolored card from your hand.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, Sacrifice Breeding Cavern: Add to your mana pool.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life., Sacrifice Breeding Cavern: Add 
to your mana pool.
