We have a black plastic vaccum storage tray in the game, with 5 separte sections for storing cards. There was no particular plan to how to separate spells. Some players may choose to separate by spell type, Mage, spell school, etc. The 5 card pockets will hold hundreds of spells, and the spellbook pockets will hold 4 spellbooks, so as your collection grows you can still comfortably carry it in the orignal box.