![Shop Upgrade! - The Binding of Isaac: Four Souls: A complete reference for The Binding of Isaac: Four Souls card game. Shop Upgrade! - The Binding of Isaac: Four Souls: A complete reference for The Binding of Isaac: Four Souls card game.](https://i0.wp.com/foursoulsspoiler.net/wp-content/uploads/proof-shop-upgrade.png?resize=376%2C512&ssl=1)
Shop Upgrade! - The Binding of Isaac: Four Souls: A complete reference for The Binding of Isaac: Four Souls card game.
![The Binding of Isaac: Rebirth - How to level up the shop fast & get achievements in seeded runs. - YouTube The Binding of Isaac: Rebirth - How to level up the shop fast & get achievements in seeded runs. - YouTube](https://i.ytimg.com/vi/9kOquDpPREc/maxresdefault.jpg)
The Binding of Isaac: Rebirth - How to level up the shop fast & get achievements in seeded runs. - YouTube
Steam Community :: Screenshot :: Two Steam Sales = everything in a shop is free. The Refresh = shops never run out. Using them both in a shop with an upgrade? Every upgrade.
![TIL the Devil Room wave on Greed Mode in the Shop level can just spawn a bunch of Shopkeepers : r/bindingofisaac TIL the Devil Room wave on Greed Mode in the Shop level can just spawn a bunch of Shopkeepers : r/bindingofisaac](https://external-preview.redd.it/GLmtw-f2VNI4GMzkewEZlCLgaw59NkKfKeoL89MxP1Y.jpg?width=640&crop=smart&auto=webp&s=5fc02b02fec71325fa0dfaf7ebb2c464c0192578)