Brawl Decks are 60-card ready-to-play decks, all Standard-legal, and designed specifically for the Brawl format. There are four decks available, and each has seven Standard-legal cards not available in Throne of Eldraine booster packs.
60-card Standard-legal singleton deck (no more than 1 copy of a given card, except basic lands)
7 Standard-legal cards not found in traditionalThrone of Eldrainebooster packs
1 foil legendary creature not found inThrone of Eldrainebooster packs