Bog Creek enters the battlefield tapped unless you control one or more nonbasic lands.
, : Add to your mana pool.
: Bog Creek becomes a 2/1 black and blue Specter creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.: Bog Creek becomes a 2/1 black and blue Specter creature until end of turn. It's still a land.
