The Binding of Isaac Four Souls Birthday Cake Promo Card is a special edition card created for the Board Game Binding of Isaac. Produced by Maestro Media, this unique card is designed specifically for the game and offers exclusive promotional content related to the game's theme. Perfect for collectors or fans of the popular board game franchise, this limited edition card adds a special touch to the game experience and is a must-have for any player looking to enhance their collection.

This promotional card was available as part of a Maestro Media shop sale, celebrating the 10th anniversary of The Binding of Isaac, between September 28th, 2021 and January 31st, 2022. It was also included in all Requiem boxes and Big Boxes in the Four Souls: Requiem Kickstarter campaign.