The Canucks got Oliver Ekman-Larsson (who brought a substantial economic burden) and Garland in exchange for a first, a second and three cap dumps, so assuming that OEL was the price for the majority of that, I don't see how Garland gets you more than Grans and the future first.

You're asking for too much for Garland here.

If you want positive value on Myers retain at least 1.5 million. I get it he was better this year, but he’s still nowhere near a six million dollar player

A. Dadonov won't waive his NTC to go to Detroit
B. You need to add a significant sweetener for Detroit to even consider taking his contract off your books, as he is a pure cap dump from Detroit's perspective.