Interesting trades I don’t know how those teams would respond to them but interesting ideas.

Leo Komorov for 7 years was a joke right?

I will start with the extensions. The contract for Carlson seems bit too big and bit too long, but okay. But 7 year 1M extension for Komarov? He's currently on 2.95M and low-cap contracts usually aren't that long. Given that he's 31, 2-3 year 2.3M is much more realistic in my opinion.
Now to the trades. While I like the idea of adding experience with Spezza and Methot, the trade is just so uneven. The reason is because both JVR and Bozak are unrestricted free agents, so there no such thing as rights to them. Hence the trade is heavily leaning toronto's way.
The other trade is skewed Edmonton's way soooo much. 4 players and 2 extra draft picks for moving from no. 25 to no. 10? Even without the players, this would seem like a trade EDM would possibly make. And while they might not have a use for no of these players, it's still 4 extra trade assets/4 depth players.

That Oilers trade is absolutely horrendous

Yeah, I agree with your assessment in that you can't make trades with UFA players who are on expiring contracts. So that's a no-go with the Dallas concept. And there is no way the buds sign uncle Leo to that type of contract/term. As for the Edmonton deal, I do admire the balls on this trade but more in favour of Toronto. Thus, if I was Edmonton I would be asking for Jake Gardiner along with Brown and/or Kapanen. Martin would be a pipe dream unless Toronto took back a bad contract (eg. Lucic) and that would suck!