Striped Riverwinder is a common Creature — Serpent card from Hour of Devastation (HOU), collector number 48. Current market price: $0.28 (foil $4.25), TCGplayer market prices via Scryfall.
Hexproof (This creature can't be the target of spells or abilities your opponents control.) Cycling {U} ({U}, Discard this card: Draw a card.)