Virilli, Exquisite Artificer

Overtime
When Virilli enters the battlefield, you may search your library for 2 artifact cards with converted mana costs 5 and 6. If you do, target opponent chooses one of them. Put that card onto the battlefield and the other into your graveyard. Shuffle your library.
{1}{u},{t}, Sacrifice Virilli and another artifact you control: Search your library for an artifact card with converted mana cost 2 less than the sacrificed artifacts and put it onto the battlefield. Shuffle your library