(: Add or to your mana pool.)
Windswept River enters the battlefield tapped unless you pay .
: Windswept River becomes a 2/1 white and blue Knight creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.).: Windswept River becomes a 2/1 white and blue Knight creature until end of turn. It's still a land.
