Uprising is a standalone draftable set that releases June 24th. Uprising booster boxes include 24 booster packs, with 16 cards per pack.
Uprising set details:
226 Cards in set, 1 fable, 6 legendary, 27 majestics, 51 rares, 125 commons, and 16 tokens. Uprising will also be releasing a new rarity Marvels into the set with special arts.
IF PURCHASING 4 BOXES YOU WILL RECEIVE A SEALED CASE.