I don't see Bedard going the Matthews route where he wants to make every single dollar possible by being more strategic with his contracts, but you never know...I would put 8yr 12-12.5m per on the table and see if he goes for it.
This also doesn't seem like the offseason to get super aggressive with trades or UFA signings, you have some excess capital in the TOR/FLA picks if a young top 6 potential forward is there to move it if a deal presents itself, but don't get crazy looking for one and potentially force the issue.
I will have no problem if they ride into next year with the same roster/coaching staff that they finished the season with and make all their picks in the current draft and mostly add rentals in UFA if they strike out on Marner.
This is the part of the rebuild where patience is required or you potentially stall it and end up like Buffalo, capped out and still a basement team in a few years.