Prediction for what happens:
-NHL buys the Coyotes off of Meruelo for $1 billion and then sell the team to Smith for $1.2 billion. The $200 million extra money is the "relocation fee" that will be distributed among the other owners.
-Meruelo keeps the team name "Coyotes" and is given a 5+ year window for building the arena, where if the arena is built, he will be awarded a new Coyotes expansion team to play in Phoenix at a reduced expansion fee cost (probably like $800 million). If he doesn't end up getting the arena built, the NHL abandons the idea of expanding a team in Phoenix (at least in the near term).
-Smith has the Salt Lake City team playing in Delta Arena for 2-4 years as Salt Lake City builds a new state-of-the-art arena, which they already have funding approval for based on trying to get the 2034 Winter Olympics. You hope they only have to play there for 2 years, based on the enthusiasm everyone seems to have in getting it done, but you can't predict what kind of issues will arise with that.
-When (or if) the Coyotes come back as an expansion team, Atlanta will be getting a corresponding expansion team to keep the conferences even. Atlanta will just join the Atlantic division and the new Phoenix team will join the Pacific division. If Meruelo ends up not getting an arena built, I think Houston ends up being the next expansion team in the West.
Probably right, with some caveats:
(1) League may allow the sale to go through and waive the relocation fee just to fix the problem.
(2) Meruelo will likely retain expansion rights contingent on getting a stadium built, but whether he gets a reduced expansion fee is questionable as I get the idea that the League would like to be rid of him entirely. [Noting further that Meruelo never really wanted an NHL franchise in the first place, but rather had made a prior failed bid for the Atlanta Hawks NBA team -- he's a huge basketball fan having a box at the Lakers games -- and arguably only grabbed the Coyotes to try to build up his credentials for a future NBA bid (man, that backfired), plus there were some affiliated gaming rights in Phoenix that seemed to dovetail with his casino businesses. The point being that Meruelo may very well quit banging his head into the wall to get a Phoenix stadium about as quickly as he divests.]
(3) The IOC has stated that a new hockey arena in SLC is not needed, which might or might not throw cold water on taxpayer funds, see
IOC says new baseball, hockey facilities not needed to host 2034 Olympics
(4) I doubt that anything that happens with Atlanta or elsewhere is tied to the Yotes' adventures, noting that the League was sort of unbalanced before Vegas came in, and was definitely unbalanced after Vegas came in and until Seattle came in, but it didn't seem to bother much anybody at the time, and at any rate the owners will be getting ~$1B to salve the pain.