I just made a sorcerer deck with silver twilight, shub, syndicate and some rather nasty neutrals. Premise is to bring out low cost shub for swarm while building resources for higher sorcerer characters who i then sacrifice with magnus stiles to put success tokens on the board. The neutral give all my characters arcane while stuggling artist allows me to choose and cancel any struggle I wish.
I like the theme, color scheme and idea but i have not played it yet so we will see if it works out.
I've been wanting to try a Magnus Stiles Sorcerer deck as well, but haven't actually made one yet - my feeling was that we aren't quite there in terms of having enough low-to-medium priced sorcerers concentrated into just a couple of factions. However, I have some hopes that the upcoming Yog box will contain some more sorcerers of reasonable cost and give this sort of deck a bump with a Silvert Twilight/Yog mix. We'll have to see how that works out when it releases, but in the meantime I'd be interested in seeing your deck and some reports on how it works out in practice.
Since I recently managed to acquire all the Dreamlands packs (at some effort), I've been playing with some Night/Day stuff. It does limit your faction mixing though as you really want to stick with two factions that enjoy the same time of day. So practically that means Human/Human or Mythos/Mythos. Not a huge problem, but it does cut your options a little. The Dreamlands support cards have been fun too, their drawback of only working if you have the most Dreamlands supports in play seems fairly negligible these day and some are quite strong. Cavern of Flame and Vale of Pnath are probably my favorites there.
Got a Dark Young deck we'l be covering in the next Elder Things podcast, might be recording that tonight if all goes well. I've been trying out some Hastur stuff using a proxy for the spoiled "Tattered Cloak" card - it definitely gives the Lunatics a boost but I haven't quite got it tuned up yet. I hope that when the Hastur box comes out someday there will be some ways to remove Willpower, always a pain for the Yellow guys.
I've also been looking at trying a high-Combat Syndicate deck. Some of the usual tricks, but using more of the characters with good Combat icons to provide a more "muscley" gangster feel. Right now I'm thinking mono but it could end up getting mixed with something else. It's not really too fleshed out yet.