The Binding of Isaac - Four Souls - Requiem - The Ultimate CollectionThe Ultimate Collection combines everything into one Big Box. The Second Edition Base Game of sacrifice, betrayal and hoarding. Four Souls+ adds more characters, monsters, and loot to make the game even more replayable. And Requiem the vast expansion that almost doubles the number of cards in the game. All in one place! The Binding of Isaac: Four Souls Requiem is a vast expansion that almost doubles the number of cards in the game. It features 269 new