I've been banning Smashville a lot lately, as I can never actually use the platform effectively, and nearly every other character can recover to that moving platform, so I feel like it gives more of an advantage to my opponent than it does to Ivy.
I do feel like I need to take more characters to Wario Land, but I typically autoban Wario Land. I always feel like Ivy needs to live forever to be able to really get a lot of work in, and Wario Land doesn't really support that. Most of the sets that I get to choose which stage I go to, it's either PS2 or Dreamland. If both of those get banned then Distant Planet is typically the choice.
Against projectile heavy characters i've been trying out green hill zone so that I don't have to chase them around as much.
Also, what's up Helix.