Spurs get:

PF Cameron Johnson

PF Jalen Wilson

#8 pick

#26 pick

Nets get:

PF Harrison Barnes

#2 pick

Why the Spurs do this:

They get a 3 & D forward to round out their starting 5, and get expanded draft capital and depth.

Why the Nets do this:

They trade up to get their potential #1 option, Harper.