en.ws-tcg.com
Booster Pack Forbidden Door
Booster Pack release for Forbidden Door.

When it lands
A confirmed street date: December 4, 2026. Preorders usually open well ahead of it, so the calendar is the place to watch.
Where this came from
Source: en.ws-tcg.com. The link opens a page covering several releases rather than this one. We update this page when the publisher revises the details.