Jurin, Leading the Charge is a rare Legendary Creature — Human Barbarian card from Universes Within (SLX), collector number 27. Current market price: $1.52, TCGplayer market prices via Scryfall.
Haste Jurin must be blocked if able. Whenever Jurin attacks, each creature you control attacking a player gets +1/+0 until end of turn for each creature that player controls.