Sage JoWii
Smash Champion
Kirby likes obstacles usually because we get beat by projectiles so bad but in this match-up the projectiles are just a nuisances. I think we Kirbies would prefer to get in there and fight it out so any stage where we have a hard time reaching you sounds like a good plan.
Right off the bat ban Rainbow Cruise or PS1. Those are strong stages for Kirby but if they help Pika as well maybe they're an option for y'all.
I can also see Battlefield with it's platforms and relatively small space being risky for y'all because you can't run too far and the platforms help us avoid t-jolt.
Take Kirby to Castle Siege someone said? I'ma go ahead and say that's not a half-bad idea. I myself hate the stage but one question: in the dungeon area, does t-jolt go through the statues? If not, it's not as bad as I thought; if so though....I'ma ban it.