Succumb to the Cold is a uncommon Instant card from Wilds of Eldraine (WOE), collector number 72. Current market price: $0.28 (foil $0.32), TCGplayer market prices via Scryfall.
Tap one or two target creatures an opponent controls. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)