An official Viability Ranking is inevitable, so I’m just gonna post this and give my thoughts on a few of these placements.
Note: These are early meta impressions, don’t be too harsh.
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Dragapult is insane rn. Fastest unboosted mon in the tier. Pivots, spinblocks, hits hard for something with average SpA. Boots Wisp, Specs, Band, DD. Tera Ghost makes this thing insanely hard to switch into, especially as it U-Turns on Ting-Lu. Synergizes perfectly with the other offensive threats in the tier like Valiant and Scizor. Boots is great in this metagame for weakening shit with Wisp.
Valiant is the absolute goat. Basically Gen 4 Lucario without E-Speed but everything else is jacked up. Speed control with Booster Energy. Cleans games, breaks holes with CM, Specs, Band, SD. Scares all the dragons, dark types, and fighting types. A lot of Tera potential with Fairy, Fighting, Electric, Ghost, etc.
Badass Ghost Rider Croc (A.K.A the Dirge). The amount of things it can live in one hit and burn is insane. Roaring Moon Crunch. Chien-Pao Crunch. Great Tusk Adamant Headlong Rush. Awkward to switch into without Garganacl or Chi-Yu, checks a plethora of offensive threats, especially with Tera. Provides defensive utility and offensive pressure, making it more splashable than the other two Unaware walls introduced this gen.
Iron Treads is criminally underrated. It has similar attributes to Great Tusk but with better special bulk, speed, Volt Switch, and the Steel typing letting it do better against hazard stacking teams. I used a team with AV Treads, Roaring Moon and Mola which can pivot around Gholdengo very nicely and is a phenomenal defensive core.
Going all the way into B- is Hippowdon. It has some qualities over the other grounds to give it a relevant niche in the tier. Sand + Spikes is a classic ADV combo that when paired with Glimmora and Gholdengo brings an annoying hazard stacking core. Its a ground type with longevity and not shit physical bulk (sorry Clodsire). It means its a solid check to Valiant, Pult, and Ghold Whirlwind proves to be useful in this metagame for racking up hazard dmg and phazing away setup sweepers.
Maushold and Lucha are the only hazard removers that ignore Good as Gold, other than that they are mid but that alone puts them in at least fringe use.
Here is a link to those who want to make their own
https://tiermaker.com/list/random/pokemon-scarlet-and-violet-full-pokedex-11-18-22-401723/2627780