Snakeskin Veil is a common Instant card from Kaldheim (KHM), collector number 194. Current market price: $0.32 (foil $0.35), TCGplayer market prices via Scryfall.
Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)