Cerebral Download is a uncommon Instant card from Edge of Eternities (EOE), collector number 48. Current market price: $0.22 (foil $0.30), TCGplayer market prices via Scryfall.
Surveil X, where X is the number of artifacts you control. Then draw three cards. (To surveil X, look at the top X cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)