Coiling Oracle is a common Creature — Snake Elf Druid card from Double Masters 2022 (2X2), collector number 375. Current market price: $0.31 (foil $0.36), TCGplayer market prices via Scryfall.
When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.