I’d suggest looking at the four focus item quests.
https://wiki.project1999.com/Categor...an_Focus_Items
Beyond that, int gear is the main thing for a mage. I’d suggest taking a look at the Wiki for magician gear and sort by int.
https://wiki.project1999.com/Equipment_By_Class
That way, you can learn the lay of the land and see some ballparks on prices.