Need Help Modernizing my UB Teachings

https://preview.redd.it/54f3tq1j88qd1.png?width=854&format=png&auto=webp&s=f2cd305582bfdae554e6ee64b4721936e26f7bf1

Getting back into Magic after a multi-year hiatus and am wondering how I should go about upgrading one of the few physical decks I kept around after getting out of the game.

https://www.moxfield.com/decks/aORpPEoOgkeDI8rrnuH-AQ