Wowzers this is a good slate.

If you gave this Heat Wave, I'd be so happy. Outside of that, its probably on par with Sigilyph - it has the stats but has a horrible movepool. My good fellow mentions Corviknight, but that thing just clicks U-turn into the Weavike, Dragapult or Zeraora you have in the background. Stall carries Chansey, and that just clicks Seismic Toss, and you can't stall that out. Absolutely no Steel coverage truly kills the hype for me.

This is an interesting choice. Dragon/Steel gives this several switchin opportunities, and being ablento set up and force out the Fairies that annoy it in the past. The new Ground weakness sucks hard, and makes Scarfers easier to revenge kill it, but I think this is overall a good buff. Coverage is probably Swords Dance Scale Shot Iron Head Close Combat / Earthquake.

I respect the idea behind this, but this imo is not a buff to OU. It still has many of the same key problems in standard, and my general thoughts on this is more or less the same as Beaf 's views on Haxorus.l

My only issue is that Dark/Dragon is a shoddy defensive typing, and yes, the Fairy thing sucks, but it just has a lot of key weaknesses, and a Dark type that can't check the likes of Dragapult is not very interesting to built with. If this got an additional defensive ability or a better typing I'd be 100% sold. That being said, as is it is a niche defensive pivot that could prove strong on certain builds.

Decent stallmon, but I think that 1) It's usefulness outside of stall is being vastly overhyped, as this thing adds zero defensive utility to BO or Balance teams while being rather passive. If I wanted to run a bulky CM sweeper I'd go with Reuniclus, at least that sets up on walls. 2) It's not bringing up the viability of Webs. Give it a rest. 3) Bulk is being heavily overhyped. It's defense is near exactly like Quagsire, and SpD is just a bit higher than Clef, so it trades having a worse typing and utility for just a bit higher all around bulk. A stall expert will have to break down if that exchange is worth it, as defensive stall synergy works a bit different than balance which I am more familiar with, but honestly, sans Haxorus I think this is the best Pokemon at what it wants to be, as an addition to
Stall.
So I'd go Haxorus and I am currently weighing between Orbeetle and Guzzlord. The subs are improving but I think they are slightly missing the mark to make them great.