Fractal Mascot is a common Creature — Fractal Elk card from Secrets of Strixhaven (SOS), collector number 189. Current market price: $0.09 (foil $0.23), TCGplayer market prices via Scryfall.
Trample When this creature enters, tap target creature an opponent controls. Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)