I find Austringers to be hot garbage tbh. I already have enough models that can shoot with Basse, a single Pathfinder and a Roughrider. A mobil threat like the worm and Reichhart, which piggybacks with the rider is more valuable in my mind.
I rather include Vernon and Welles as a Schemerunner than an Austringer. You need models that score, killing isnt enough in Malifaux, even in pools that lean towards such a strategy.
Yesterday I ran:
Basse2 + Totem
JoJo
Roughrider
V&W
Worm
Pearl
Pathfinder
4SS
I played vs Levi and he didnt get to kill a single model before turn 3, even then he only killed Bernadette. I abandonned the flank with the deso and Ashes and Dust and repositioned towards levi, who didnt attack into the V&W bubble + Concealing. Won 6 to 5 after a hard and long game (6 hours, 10 out of 11 points scored in turn 4 and 5)
The attack from the Austringers that does 1/3/4 with Onslaught is nice, but not strong in my mind. I have enough gunline models with Basse2 and the Pathfinder that I prefer to have speed over damage in the rest of the Crew. I tried running 2 Austringers and was disappointed.
In that minion list you have no good targets for ride with me or the Pathfinder pushes, as you basically start were you want to be anyway, loosing a lot of their potential power.
If you want to go minion heavy I would rather consider Frontiersmen, Roughriders and Pearl with Basse1 (so the dust clouds disappear and you heal a ton with survivalist). I think Pearl might be good in Basse1, in Basse2 she doesnt do a lot and I would have prefered to have a Frontiersman.