The Dominaria United Set Booster Box contains:
30 Dominaria United Set Boosters and 1 Traditional Foil Box Topper card.
Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token/ad card or card from “The List” (a special card from Magic's history—found in 25% of packs).
Every pack includes a combination of 1–4 card(s) of rarity Rare or higher and 4–7 Uncommon, 3–6 Common, and 1 Land cards. Traditional Foil Land replaces Land card in 21% of Set Boosters.
Foil-Stamped Signature Art Card replaces Art Card in 10% of Set Boosters. Traditional Foil Borderless Mythic Planeswalker in <1% of boosters.