Question: how wizard spells work 5e?
Answer: To do so, choose a number of Wizard Spells from your Spellbook equal to your Intelligence modifier + your Wizard level (minimum of one spell). The Spells must be of a level for which you have Spell Slots. For example, if you're a 3rd-level Wizard, you have four 1st-level and two 2nd-level Spell Slots.