Tyrese Maxey is having an incredible season (this is the sort of analysis that brings you to Liberty Ballers, folks). He is currently 14th in the league in scoring, 13th in assists, and been incredibly efficient both in terms of shooting the basketball and taking care of it. He looks like a surefire All-Star and there has even been talk of his being an All-Star starter, with teammate Joel Embiid a big proponent of that idea.
Personally, I think the guard slots will probably go to Tyrese Haliburton (who is having an incredible season and had the Q score bump from the excellent In-Season Tournament run) and Damian Lillard (good season, already a household name with the career track record).