(: Add or to your mana pool.)
Whenever Razorverge Bosk becomes tapped, it deals 1 damage to you.
: Razorverge Bosk becomes a 2/1 white and black Angel creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Razorverge Bosk becomes a 2/1 white and black Angel creature until end of turn. It's still a land.
