Jin-Gitaxias's Genius

Compleated{p/u}(For every {p/u} paid with 2 life in this creature's mana cost, it enters the battlefield with a -1/-1 counter on it)
Flying
Whenever you cast an instant, sorcery, or artifact spell, search your library for an instant, sorcery, or artifact card, reveal it, put it into your hand, then shuffle your library.