Why is Mega Banette suddenly in Gen 9 National Dex OU?

Question

It was in RU like a month ago, then to UU, but now in OU?!! How did this happen?

Comments

1000% a ladder moment. I guess ladder saw Mega Banette can use Swords Dance and Poltergeist and decided to use it? (It's bad in NDOU, ladder tends to sometimes use things that aren't even good, just like that one-time Hisuian Zorua rose to NU because a couple people on ladder spammed it)

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What was their reasoning for spamming hisuian zorua

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yeah, why did H-Zorua suddenly have a niche in NU (is there even NatDex NU?)

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yeah, i have seen a bunch of these too lately. It's probably because it has prankster and annoying status moves

Answer 1

According to this user

Pokeaim made a video with a team I made centered around revival blessing + banette-mega, needless to say ladder loves stupid gimmick teams so they took the idea and ran with it, jacking up usage