Regardless of where these various picks land, and assuming Ainge isn't putting them in a package for AD (best case scenario in my book), then he needs to find a way to roll at least one of them into the future.
One of those picks might be useful in drafting a PG, especially given the possibility that you might lose both Kyrie and Rozier two weeks after the draft (gulp). But that's about all you need right now, especially given the team's luxury tax situation.
For instance, even if the Memphis pick doesn't convey this year, I'd make our own pick and try and deal that Clippers pick for a future first plus a second, or perhaps just a future first with lighter protections, etc. You don't want to be caught in the same situation as you were a couple years ago, when the team ended up taking Yabusele and Zizic as options to "stash" overseas because you were keeping your cap space open.
How likely do people think this is? For a team with plenty of talent already that's in the tax, it makes a lot of sense to me.