(: Add or to your mana pool.)
Grass-River enters the battlefield tapped unless you pay 3 life.
: Grass-River becomes a 2/1 green and blue Squirrel creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Grass-River becomes a 2/1 green and blue Squirrel creature until end of turn. It's still a land.
