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