Miroshi, shaman of savagery

When this creature enters the battlefield or transforms into Miroshi, Shaman of savagery,
create A 2/2 green wolf creature token.
Tap an untapped wolf or werewolf
You control: add {g} or {r}.
{1}{r}{g}: transform target werewolf.
At the beginning of each upkeep,
If no spells were cast last turn, Transform
Miroshi, Shaman of savagery