Selvano Calrae

Manashift {1}{w}{w}{w} (You may cast this spell for its manashift cost. If you do, it becomes white and loses all other colors.)
As long as Selvano Calrae is green, it gets +6/+6 and has trample.
As long as Selvano Calrae is white, it gets +3/+3 and has double strike and lifelink.
His cheery mood can shift like the wind.