Graven Vents enters the battlefield tapped.
: Add or to your mana pool.
: Add to your mana pool. Put Graven Vents on top of your library.
: Graven Vents becomes a 2/2 red Ape Giant creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Graven Vents on top of your library.
: Graven Vents becomes a 2/2 red Ape Giant creature until end of turn. It's still a land.
