I do think Monty is likely gone at some point. It's the only card they can really play.
There is reports of them sniffing around the trade market but I'm not sure what they can do there. They can't really add because they have limited cap space.
In the "shake up the room" department, the majority of the players that would qualify as "shaking it up" has some form of trade protection. Pastrnak, Marchand, Lindholm, Coyle (8-team no), Zacha (10-team no), McAvoy, Lindholm, Zadorov, Carlo (10-team no). The non-prospect players they can trade are Geekie, Frederic, Kastelic, Johnson, Peeke and Wortherspoon. I don't really think trading one of those guys for futures is going do much. Plus when you're desperate the return usually reflects it. Not that they'd get much for those guys anyway, Frederic is probably the only one with real value. Maybe Geekie.