Eat to Extinction is a rare Instant card from Theros Beyond Death Promos (PTHB), collector number 90p. Current market price: $0.25 (foil $0.35), TCGplayer market prices via Scryfall.
Exile target creature or planeswalker. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)