Wizard Matchbooks

You're a wizard. You're really well-established in the magical arts. You can create life from non-living material, fly and shoot lightning out of your eyes. It gets to be that you think: "Hey, I'd rather spend my headspace remembering spells to shatter the boundaries between reality than how to illuminate stuff or detect an invisible something..." So you make wands or a staff and then one day it hits you. What can you carry in your pocket, with a little one-time shot of magic, easy, handy and convenient. A book of matches. Strike one, and your spell's done.

You start making simple stuff and then realise, "Hey, I could do a lot with this..."