From Wizards of the Coast. A Strixhaven Set Booster Box contains 30 Strixhaven Set Boosters. Each pack contains 12 Magic cards, 1 art card, and 1 ad/token or special card from Magic's history (a card from "The List"). A foil-stamped Signature Art Card replaces the art card in 5% of Set Boosters, and a card from The List replaces the ad/token in 25% of Set Boosters.
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