Best Champs for Nightmare Raids

I'm thinking for Assault Jack, Sentinel, and Kitty might be really good. But what do you guys think of Tactician and Vanguard? Who do you plan on bringing? Have any of you tried champs like Kushala, Knull, and Chavez? Will vanguard champs like silk and luke cage still do well? I have to plan 30 people's roles so any advice would be very appreciated.
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Seems like we will want
— non-contact mediums (Korg)
— prowess removal (WX and Apoc)
Will want champions that can nuke fairly quickly like silk and Iron Man in vanguard.
Storm will be really nice for Assault.
Sersi was one of the best tacticians before and is a tactician again, idk how she would do there though with the slightly more complex fights and reliance on ending combos with a medium attack.
Also, much like IW, the window where you can do full damage will be very brief, and there will be a long ramp up to get to that window again.
If you're using sentinel please please take delibitate boost and stick to sp1s. Dot boost sucks for him.
Now, will it be a long fight cause of the shield? Absolutely, do I think it'll he impossible without units, not unless there are bugs or your teammates just aren't too good.
Besides that, Chee’ilth plus the armor champs (Iron Man, Red Skull, Omega Sentinel, Colossus, Fantman) should be good.
Is there an updated list of non contact or energy hits that will prevent thorns damage out somewhere?