(: Add or to your mana pool.)
When Razorverge Isle enters the battlefield, sacrifice it unless you pay 1 life.
: Razorverge Isle becomes a 1/1 white and blue Angel creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Razorverge Isle becomes a 1/1 white and blue Angel creature with flying until end of turn. It's still a land.
