the Atlanta thing only works if Atlanta finishes lower than the Mavs in the lottery (ATL 7-11, DAL 6-9) and it is not even needed. it quite depends a lot whether if Acuff goes 5th. in that case I wouldn't trade the pick.
MAVS starting 5:
pg: Kyrie sg: philon/christie/Thompson sf: flagg pf: Kawhi c: beagly/lively