Andrean, Elvish Beastmaster

When Andrean, Elvish Beastmaster enters the
battlefield, put a 2/2 green bear creature token
onto the battlefield.
If {u} was spent to cast this spell, put a 1/1 blue
bird creature token with flying onto the
battlefield.
If {w} was spent to cast this spell, put a 1/1 white
squirrel creature token with vigilance onto the
battlefield.