Monster deck The Binding of Isaac: Four Souls Wiki Binding of Isaac Four Souls Requiem Shop Item Card Deck 53 Total Cards! eBay Steam Workshop::(Custom Expansion) The Binding of Isaac: Four Souls The Lost Cards Finale Steam Workshop::[OFFICIAL] The Binding of Isaac: Four Souls (+ Requiem) NEW Binding of Isaac Four Souls Requiem Set of Room Cards 60+ Cards! eBay The Binding of Isaac: Four Souls Card Game Gets Its First Expansion: Requiem IGN