Tezzeret, Tidehollow Scrapper

{u}{b}: Look at the top card of your library, if it is
an artifact card you may reveal it, if you do draw
a card. if you have drawn 3 or more cards with
this effect this turn exile Tezzeret, Tidehollow Scrapper and return him to the battlefield transformed under his owner's control
My father thought I was of no use to anyone, I'll
show him just how wrong he was" - Tezzeret