First Edition
| Card Name | Pumpkin Mask |
| Type | Treasure Deck |
| Card Text | When you gain or purchase this, destroy it. If you do, look at the top 10 cards of the treasure deck and gain 1. Put the rest on the bottom of the deck in a random order. |
| Category | Passive Items |
| Game Mode(s) | All Game Modes |
| Set | Promos  |
| Released | 2022 |
| Language(s) | English |
| Background Artist | Yazawa Akio |
| Card Artist | HamBerry |
This card was included with all orders from the Maestro Media store for the month of September as a Halloween promotion. As the subscription service, The Unboxing of Isaac is considered a purchase from the web store, all subscribers for the month of September also received this card.
This card is a reference to an Easter egg item in the original flash version of The Binding of Isaac that was only attainable via hacking the game.