(: Add or to your mana pool.)
Windbrisk Cairns enters the battlefield tapped.
: Windbrisk Cairns becomes a 2/1 white and black Knight creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Windbrisk Cairns becomes a 2/1 white and black Knight creature until end of turn. It's still a land.
