Edited Nov. 8, 2021 at 9:44 a.m.
I dont know what you'd get excatly, but you'd need semi-equivalent replacements, both in position, production, salary:
Say Tkachuk to TOR for Marner: very different players, but does Marner's offense offset Tkachuk's "grit"
Lindholm and Hanifan to PHI for Farabee and Sanheim and a solid center prospect like Frost or Foerster
Tanev and a 2nd (?) to CGY for Brodie
If Im PHI: I offer RW Koneckny (60+ pts, young and signed long term at 5.5mil), LD Sanheim (young, 20+ minutes a night LD), center prospect Morgan Frost (now healthy and getting to game speed), defensive prospect Egor Zamula (great size and strength, just started 2nd season in AHL, looks like a bluechip) for Tkachuk and Hanifan.
Hanifan is better than Sanheim and Tkachuk is better than Koneckny, but the two high level prospects and maybe a 1st gets it done.