Orlando gets a young Allstar guard to go with their young Allstar forwards, and moves on from KCPs contract in the deal.
Sixers start rebuilding now that their window for contention has closed, receiving draft picks in return.
Trade is formally made after the league new year when presumably Drummond opts in, other salary, eg Oubre, could be used in the unexpected situation of an opt out. Orlando makes the 2025 selections for Philadelphia.