Xyris, the Writhing Storm is a mythic Legendary Creature — Snake Leviathan card from Commander 2020 (C20), collector number 18. Current market price: $1.69 (foil $3.66), TCGplayer market prices via Scryfall.
Flying Whenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token. Whenever Xyris deals combat damage to a player, you and that player each draw that many cards.