Considering the way we're left to deal with magic now, the more information I have, the better. It's not something I was ever designed to combat, much less deal with on any basis.

[So even if it's far departed from what he's familiar with, it may be beneficial for him to even have passing familiarity with it.

After all, they're in the magic business now, whatever it entails]

Seems like exchanges are the one consistent factor.