Each Duskmourn: House of Horror Prerelease Pack contains the following:
- 6 Duskmourn: House of Horror Play Boosters
- 1 Traditional foil year-stamped rare or mythic rare
- 1 Magic: The Gathering Arena code card; only available in select regions
- 1 Deck box
- 1 Spindown die
- 2 reference cards
- Each Play Booster may contain these cards: DSK 1–367, SPG 64–73. Includes 1–4 cards of rarity Rare or higher (2: 23%; 3: 1%; 4: <1%), and 3–5 Uncommon, 6–9 Common, and 1 Land cards. 1 card of any rarity is Traditional Foil. Traditional Foil Mythic Rare in 1% of boosters. Traditional Foil Land replaces a Land in 20% of boosters.