This is for one Magic the Gathering : Theros Beyond Death factory sealed Booster Box containing 12 booster packs of 15 cards each.
Each pack contains:
1 rare/mythic rare with extended art
1 foil rare/mythic rare
9 foil commons / uncommons
3 special-frame cards (showcase or borderless planeswalkers)
1 ancillary card
1 foil token