Ephara's Dispersal is a common Instant card from March of the Machine (MOM), collector number 55. Current market price: $0.19 (foil $0.22), TCGplayer market prices via Scryfall.
This spell costs {2} less to cast if it targets an attacking creature. Return target creature to its owner's hand. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)