Let me explain why I didn't jump out of my chair and deal with this immediately.
I do not have a Protean Kecleon in my Gen 7 games, so I need to deal with finding one in ORAS through dexnav, buy Pokebank again, transfer it up, and breed for another Protean one in Gen 7 with egg move Skill Swap by breeding for a male Eevee since I lack a male Sylveon, evolving said Eevee and "relearning" Skill Swap. At which point I then have to set up Smeargle by teaching it Reflect Type, Burn Up, and Revelation Dance using the once a day usum postgame double battle that actually gives EXP so it retains said moves (unless I've been lied to about how Sketch works), after leveling up both Smeargle and the original learner of each move so that they don't get outsped and killed by the relatively high level repeatable postgame double battle before Smeargle sketches the move.
Once that's done I can test it out, however it's not exactly high priority and it's a lot of effort since I don't have anything except the Pyroar and a ghost type already, just putting that out there. Maybe DaWoblefet already has all these necessary things lying around, but I certainly don't at this moment.