You don't often see this many players involved, but teams do have a 20 player roster limit in the offseason, so Jazz could complete this trade and then waive some players later on before the season.
Raptors
C - ...Achuiwa / Boucher
PF - *Siakam / Vanderbilt
SF - *Barnes / Porter Jr. / Banton
SG - *Mitchell / Trent Jr.
PG - *VanVleet / NAW
Pelicans
C - ...*Zion / Valanciunas
PF - *Anunoby / Nance
SF - *Ingram / Murphy
SG - Herb J. / Daniels
PG - *McCullom / Alvarado / Kira
Jazz
+++ a lot of future picks, a lot of tradeable contract players, and a fun potential front court of Kessler / Hayes for the tank season.