Fetid Den enters the battlefield tapped unless you pay .
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
: Fetid Den becomes a 0/4 white and black Rogue creature with defender until end of turn. It's still a land.
.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life.: Fetid Den becomes a 0/4 white and black Rogue creature with defender until end of turn. It's still a land.
