LMA, Freeland, Barton, and #39 to WAS for Beal, Okafor, and #3.
Portland then drafts Otto Porter at #3 and Tyler Zeller at #10
Sign Paul Milsap in FA, as he should be easily acquirable to plug in as your starting PF at $10 mill per.
Fill out roster by bringing back Maynor, E Will, and sign J O'neal
The backcourt and SF spots are set for years. You have the perfect interim solution at center with flexibility to keep it or change it next year. And your PF spot is solid and competitive.
You're looking at a potential all star backcourt with Dame and Beal. Getting Porter and Zeller could make Batum and Milsap expendable in a future big trade.