Grassy River enters the battlefield tapped.
: Add or to your mana pool.
: Grassy River becomes a 2/2 green and blue Squirrel creature with trample until end of turn. It's still a land.
: Add 
or 
to your mana pool.
: Grassy River becomes a 2/2 green and blue Squirrel creature with trample until end of turn. It's still a land.
