Tocasia, Dig Site Mentor

Creatures you control have vigilance and "T: Surveil 1." (To surveil 1, look at the top card of your library. You may put that card into your graveyard.) 2GGWWUU, Exile this card from your graveyard: Return any number of target artifact cards with total mana value 10 or less from your graveyard to the battlefield. Activate only as a sorcery.