Syr Alin, the Lion's Claw is a uncommon Legendary Creature — Human Knight card from Foundations (FDN), collector number 582. Current market price: $0.11, TCGplayer market prices via Scryfall.
First strike (This creature deals combat damage before creatures without first strike.) Whenever Syr Alin attacks, other creatures you control get +1/+1 until end of turn.