• 36 Murders at Karlov Manor Play Boosters
• 14 Magic: The Gathering cards per booster
• 1-4 cards of rarity Rare or higher in every pack
• 6-9 Uncommon cards,  3-6 Common cards and 1 Traditional Foil card
• 1 Land card
• 1 token/ad card, helper card, or art card

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.

Does Not Contain Any Promotional Material