Belle of the Brawl is a uncommon Creature — Human Knight card from Throne of Eldraine (ELD), collector number 78. Current market price: $0.22 (foil $0.25), TCGplayer market prices via Scryfall.
Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, other Knights you control get +1/+0 until end of turn.