When Jungle Vents enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
: Jungle Vents becomes a 2/1 green and blue Snake creature until end of turn. It's still a land.
.
: Add 
or to your mana pool.: Jungle Vents becomes a 2/1 green and blue Snake creature until end of turn. It's still a land.
