First Edition
| Card Name | Shop Upgrade! |
| Type | Monster Deck |
| Card Text | Expand monster slots, shop slots, and room slots each by 1. The active player may attack an additional time this turn. |
| Category | Events |
| Game Mode(s) | All Game Modes |
| Set | Alternate Art  |
| Released | 2022 |
| Language(s) | English, French, German, Italian, Spanish |
| Artist | Stephen Murphy |
This card was unlocked by reaching 20,000 backers during the Four Souls: Requiem Kickstarter campaign.