With the adjustments to curtain call, healers have to be on their toes and it's a great way to teach sprouts about res immunity.
This is also going to be challenging enough to make it a bit less of a desirable brain-off instance, but I would suggest the addition of a death wall to make it a touch easier to organise who's ressing through CC, when progging it earlier, my group opted to leave some people dead from the previous failed attempt and manage it that way.