This is a completely impractical trade of course. But I ran it through 538's model, and turned the Wizards into a .500 team using these changes. All of these players are players the Wizards could potentially acquire even with their current limits due to the Beal, Bertans and Westbrook contracts.
Timberwolves
+2 players ($3.7m) +2 picks,Cap Impact + $555K
+ 0 Wins
-31.38 MPG
+3.51 Off.
-1.77 Def.
Pelicans
+2 players ($34.8m),Cap Impact + $5.5M
-3 Wins
-28.74 MPG
-2.10 Off.
-4.13 Def.
Wizards
+5 players ($29.2m),Cap Impact - $7.7M
+3 Wins
+60.12 MPG
-1.41 Off.
+5.90 Def.