Howl of the Hunt is a common Enchantment — Aura card from Innistrad: Double Feature (DBL), collector number 188. Current market price: $0.37 (foil $0.48), TCGplayer market prices via Scryfall.
Flash Enchant creature When this Aura enters, if enchanted creature is a Wolf or Werewolf, untap that creature. Enchanted creature gets +2/+2 and has vigilance.