Witchstalker Frenzy is a uncommon Instant card from Wilds of Eldraine (WOE), collector number 159. Current market price: $0.23 (foil $0.33), TCGplayer market prices via Scryfall.
This spell costs {1} less to cast for each creature that attacked this turn. Witchstalker Frenzy deals 5 damage to target creature.