I don't see the Rangers trading Marc Staal or him waiving the NMC, but a
Coyle, Folgino, Ennis
for
Staal, Vesey/Names
Trade helps both teams. Minn wants defense, and can sign 4th liners to make up for their forward depth (Ennis isn't a "loss"). Foligno is an overpaid 4th liner, but brings an element the Rangers lack. Coyle has a lot more upside than he's shown.
Vesey/Names helps replace one of the forward they lost, and gives them cap space to sign UFAs. Vesey would offer more cap space to a team wanting to contend and switch up their roster significantly.
Staal covers a backend that wants to compete in the playoffs, but only has 3 defensemen they trust on the backend.
Keep or buyout Ennis, don't care either way, he can be good dead space since it's just a year. Foligno is really the guy that stings, but he does add forward depth. If you carry Ennis this year, and buyout Foligno next year, the hit is minimal <$1M to a little above. But you rid yourself of Staal and his cap hit, allowing you to compete faster.
I think with Hajek & Lindgren, you'll have a kid pushing for a spot, and they can always sign a depth guy on a short term deal to fill in for Staal while the kids cook a bit, like a Manning or Sbisa on a one year deal to keep the bench warm.
A deal like this wouldn't happen at the draft. Post-July 1st, but again Staal. NMC.