I don't know how common knowledge this is, but I figured I'd share. Many people know that in unpatched versions of the game, Drain Intelligence [your current INT] 1 sec fully restores your Magicka, but that is understandably seen as an exploit/unintended, and the interaction is changed in things like OpenMW.
However, the logic that led to that interaction made me realize a less-exploit-y way to restore your magicka. For those who don't know, the 0 Intelligence exploit worked because your Magicka maximum would be 0, leaving you with 0/0 Magicka, which is "100%", and when your Intelligence changes, your current magicka % stays the same. Meanwhile, when you Fortify Magicka (or Health/Stamina),