Packsong Pup is a uncommon Creature — Wolf card from Innistrad: Double Feature (DBL), collector number 480. Current market price: $0.50 (foil $3.84), TCGplayer market prices via Scryfall.
At the beginning of combat on your turn, if you control another Wolf or Werewolf, put a +1/+1 counter on this creature. When this creature dies, you gain life equal to its power.