(: Add or to your mana pool.)
When Graven Shoal enters the battlefield, sacrifice it unless you pay 3 life.
: Graven Shoal becomes a 2/2 red Shaman creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Graven Shoal becomes a 2/2 red Shaman creature until end of turn. It's still a land.
