
The Weiß Schwarz Umamusume: Pretty Derby - Beginning of a New Era booster has 8 cards per pack, 10 packs per display and plays in Neo-Standard.
Umamusume: Pretty Derby - Beginning of a New Era comes out on November 6, 2026. The date is confirmed by the publisher.
On the publisher's official page, listed in this page's sources. TCGKing updates this page with each new announcement.