I was thinking about creating a mech Vanar deck, although I haven’t played Vanar in a while. I would definitely try to add metaltooth (rush, synergy with silver and echo) and Deceptib0t (synergy with the aspect of shimzar). I also think that project omega could also work in combination with echo and Deceptib0t in a list like this.
This is the list that I’m currently thinking of trying, although this is by no means optimized. I cut the Mechaz0r package in order to have a greater focus on the Metaltooth/Deceptib0t/S.I.L.V.E.R./Project Omega package.
I just played 2 games with the deck in rank 3 diamond, and while a bit clunky (in particular, I have yet to use mana deathgrip with the deck, although I barely play Vanar in general), I really like the power that Echo Deliverant brings to cards like Metaltooth, S.I.L.V.E.R. and Project Omega. Here are screenshots from the last two games.
NOTE: It tookme a while to understand what was actually happen, but Echo Deliverant has a unique interaction with Project Omega: It will generate a copy of Omega, and then the second Omega will apply its aura buff. In short, the second Project Omega summoned by Echo Deliverant will have double the stats of the first when summoned. This double buff does not carry on to any mech summoned after the second Omega is initially summoned.
Game 1: https://play.duelyst.com/replay?replayId=-KzWCKoYaAClFyDbgvvY
Game 2: https://play.duelyst.com/replay?replayId=-KzWCXgbrJ4cqIsMpeWW
Screenshots
Game 1:

Game 2: