(: Add or to your mana pool.)
When Unstable Sanctuary enters the battlefield, sacrifice it unless you pay 3 life.
: Unstable Sanctuary becomes a 2/1 red and white Goblin creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Unstable Sanctuary becomes a 2/1 red and white Goblin creature until end of turn. It's still a land.
