Spectrier
I'm super late, but whatever. Just came here to say Nightmare Moon thicc horse isn't anywhere near broken (lol wut).
Spectrier isn't like Urshifu, Pheromosa, Landorus-I, Genesect, and Naganadel. Against a competent opponent and well-built team, it cannot brute force its way through. Its only attacking move that hits harder than a Magikarp Splash is Shadow Ball. Which means as long as your Dark-type or Blissey is still alive, Spectrier is Shedinja-tier dead weight (no exaggeration, it literally has to switch out because it has no other moves lol). The moment Spectrier became a problem for any of my teams, I just slapped on literally any Dark type (Hydreigon is my favorite), switch it in on Shadow Ball, and get free momentum to fire off a Specs Draco Meteor in the same fashion that Specs Tapu Lele gets free OHKOs whenever my silly opponent switches in their "cheap" Toxapex lol. Having a Wobbuffet-tier movepool DOES in fact balance Spectrier's insane stats, Ability, and excellent offensive typing. It's never been broken. It's more of a "noob stomper" like Shell Smash mons, Regieleki, and Impostor Ditto. I'm honestly surprised people on here are even entertaining the idea of banning it. Git gud lmao. And no, I don't use the ghost horse because it is actually quite awful (only 1 attacking move makes it more predictable than Cloyster)
If I was voting obv it would be "do not ban because it ain't broken"
P.S. Its literal ONLY attacking move is totally negated by 1 of the 18 typings in the game (so it's nothing like Dracovish or Le Wicked Blow Man where nothing is immune to Dark), and it also gets dabbed on by Bulletproof users that are already good enough to be used in OU anyway (Clangorous Soul/Iron Defense+STAB Body Press Kommo'o). Why do people want to ban this cute horse? lol
I would like to share something.
https://replay.pokemonshowdown.com/smogtours-gen8ou-537216
This is a replay from week 1 of SPL. One of the biggest Smogon tournaments. This is a game between two players who are one of the best in Gen 8 OU. It’s a bold statement to say Spect is a “noob trap”, especially in this replay.
From team preview, Xray’s opponent has two checks and a Dark type in Mandibuzz. A non-burnt Ferro can sometimes prevent Spect from subing up for free. There is also the combination of Mandibuzz and Pult (which is revealed to be Specs) in order to take a hit, U-Turn out and rkill it with Pult. In theory Talah has enough tools to keep Spect from forcing progress, but as you can see from the replay, it’s not.
Turn 44-45, Xray brings in Spect on a burnt Ferro. Since Ferro can’t break the sub, Spectrier is given a free opportunity to set up.
Turn 48-49, Talah tries to break the sub with Specs Mag, but since his Pult can’t rkill a +2 Spectrier, he goes to Mandi to try to cripple it to Shadow Ball range. This backfires as Spect cripples the Mandi with wisp, meaning Mandi can no longer break the sub.
Even though Spect isn’t the one to sweep the rest of the team, it opened up room for Xray’s Sub-SD Chomp to sweep lategame.
The issue with Spect is that unlike grounds, waters, and steels, the number of viable defensive normal/dark types is very limited. It’s basically Mandi, Ttar, Blissey, Hydreigon, Goon, Zarude, and Goltres. 3 of these are 2HKOd by Specs Hex if burnt, 3 of them have no reliable recovery, 4 of them lose to Sub-Disable, and Blissey loses to Sub-CM if it is not at full pp. Zarude is U-Turn bait and Goltres is only really viable on HO styles. The rest either can’t take hits from Choice Specs, hate getting burnt, or are unviable outside of checking Spectrier. Can’t wait for the horse to be banned so I can use NP Hydreigon again.