Joven's Ferrets is a common Creature — Ferret card from Homelands (HML), collector number 89. Current market price: $0.36, TCGplayer market prices via Scryfall.
Whenever this creature attacks, it gets +0/+2 until end of turn. At end of combat, tap all creatures that blocked this creature this turn. They don't untap during their controller's next untap step.