Mien, Wizened Inventor

Whenever you cast an instant or sorcery spell, reveal the top two cards of your library, put an artifact card from among them into your hand, then put the rest on the bottom of your library in any order.
Whenever you cast an artifact spell, reveal the top two cards of your library, put an instant or sorcery card from among them into your hand, then put the rest on the bottom of your library in any order.