On your turn, a spell bar at the bottom of your screen shows which spells you have available. Unavailable spells in your spellbook will be shaded out. Some spells can be used a limited number of times, or must be charged for a certain number of turns before they can be used. Hovering the mouse over a spell will display its name and description and, where relevant, the number of charges remaining and turns remaining for it to charge. Spells have three levels: