Yes from Columbus, I think it makes a ton of sense for both teams. Swapping similar prospects that are stuck behind a logjam of other talent* on their side of the defense.

*(used loosely here for Columbus)

Yeah I like it too.

I get the idea, but Boqvist is unusably bad defensively. Like he's non option bad. I've run out of energy to argue about Brannstrom being solid defensively, but this deal makes a bad defensive blueline substantially worse. If trading Branny is inevitable, get the best pick/prospect you can, don't piddle around with a different guy who doesn't help the team.