Ethersworn Forcemage

Flash
If {u}{b} was spent to cast Ethersworn Forcemage, draw a card and lose 1 life; If {w}{b} was spent, return target creature card with converted mana cost 2 or less from your graveyard to the battlefield; If {w}{u} was spent, put target nonblue creature on top of its owner's library. (do all three if {w}{u}{b} was spent.)