Ray of Ruin is a common Sorcery card from The Lost Caverns of Ixalan (LCI), collector number 117. Current market price: $0.10 (foil $0.10), TCGplayer market prices via Scryfall.
Exile target creature, Vehicle, or nonbasic land. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)