She's playing the role of one of the characters involved in that infamous mud fight. Hopefully this means she will be doing the same

http://variety.com/2017/tv/news/elizabeth-gillies-dynasty-the-cw-fallon-carrington-1201984518/

One can hope! Who else was in that mudfight in the original? This is the lovely lady playing Cristal:
https://www.google.com/search?q=nathalie+kelley&rls=com.microsoft:en-US:IE-Address&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi-kquUionSAhWqsVQKHb2yCisQ_AUICCgB&biw=1536&bih=738

The original mud fight scene had Emma Samms and Heather Locklear:

https://www.youtube.com/watch?v=DT1i985XcBI

So we need to figure out who plays Sammy Jo...if we're going to get overly excited before we see if this happens, lol.

Melissa Mccarthy.

I'm all for that casting, so as long as she isn't dressed like Sean Spicer.

Joan Collins and Linda Evans had a mud scene that was fairly weak, and it took like eight seasons to get to the good one between Samms and Locklear.

That said, the mud fight(s) are now one of the things DYNASTY is most famous for, and have been ripped off by various other soaps trying to imitate it, so maybe they'll try to cash in on that in a hurry.

Let us not forget the single best sliming in the entire Figure It Out revival (not that there was too much competition) that went to Elizabeth Gillies. I am expecting exactly zero from this, but the girl took a sliming like an absolute champ.

Hmmm, yes, that is a quality sliming.

https://umd.net/forums/elizabeth_gilles_sliming_on_fi

Sadly, the editing of that scene was sad and horrible.

She's getting destroyed, so the director and/or editor decide "Oh...let's show the contestant's reaction DURING this moment, instead of afterwards."