Hi new to EDH need help with Y'Shtola esper deck

Hello. I am new to EDH i never played before. I bought the pre-con and then did some research online then made this upgrade idea: https://moxfield.com/decks/2h3dN_cEWEeYWc0xU6Pa_Q

Probably going to buy all the cards and go down to my LGS. but would like some feedback from the community before i commit all the money of course :) thankyou for any suggestions. i am new