This trade would happen in the offseason so Isaiah Jackson would be a free agent. In this case the real trade would be

Pacers get: Andre Drummond

76ers get: IND 2025 Round 2 CHA 2025 Round 2 31-55 Protected

Pacers get a good backup for Myles Turner and the Sixers get picks to use in the draft, also get rid of Drummonds contract

(Says trade doesn't work because we are past deadline)