Lake Catacomb enters the battlefield tapped.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Lake Catacomb: Add to your mana pool.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead., Sacrifice Lake Catacomb: Add 
to your mana pool.
