Vox Mentis

How many sets' attention words do you know?

If you're halfway there, you have at least seven hours to find someone you could get a grip on, and try the basics. Commanding them to forget interactions with you, to cover your tracks.

If you talk to the people sitting beside you, this also lets you get your story straight whether or not you can do wizardy-horseshit on them.

It will also probably be absolutely vital to stay in practice.