Underwater Cities: Building Box Promo Card

Building Box is a green endgame special building that costs 3 credits and grants you 12 VP if you have at least one building of each type (regular + upgraded) by the end if the game. This promo card was given for free in Spielbox 01/2022 and the English Version of this card will also be part of the German Spielbox 06/2022 or 07/2022. (info from the publisher)