Primo, the Unbounded is a mythic Legendary Creature — Fractal Wolf card from Secrets of Strixhaven Commander (SOC), collector number 6. Current market price: $1.02 (foil $0.55), TCGplayer market prices via Scryfall.
Trample Primo enters with twice X +1/+1 counters on it. Whenever one or more creatures you control with base power 0 deal combat damage to a player, create a 0/0 green and blue Fractal creature token. Put a number of +1/+1 counters on it equal to the damage dealt.