Hexmage-EN
Legend
They could have went a similar route as Explorer's Guide to Wildemount and put all the spells on a separate list that is by default only accessible by certain subclasses. EGtW had "Dunamancy", and only Chronurgist or Graviturgist Wizards could learn Dunamancy spells barring DM special approval, because in-setting these spells are new and not common knowledge except to Wizards of those two schools.
Psionics could have its own separate spell list that by default is only accessible to Psionic subclasses.
Psionics could have its own separate spell list that by default is only accessible to Psionic subclasses.