• 36 Brothers' War Draft Booster Packs • 15 Magic: The Gathering Cards + 1 token/ad card or Helper card • 1-2 card of rarity Rare or higher per Booster Pack • 3 Uncommons, 10 Commons, and 1 Land cards per Pack • 1 Traditional Foil card appears in 33% of Booster Packs (replaces 1 Common) • 1 Retro Artifact card per Pack
Starting with The Brothers' War, Buy-a-Box Promos will only be available for in-store pick-ups and purchase while supplies last as stated in Wizards of the Coast's article here.