It's been a while since I've posted here, and considering we don't really have too much of a discussion slate, I figured I'd post some noms that I think would do a better job of reflecting the current metagame. Let me know what you guys think!
Rises
Infernape up to A-
Infernape's been getting a lot of attention lately, though I'm not really sure that the posts in favor of it rising lately have adequately stated what makes Infernape so good in the current metagame. I personally think it should rise to A- due to the strength of its Choice Band set, since the metagame severely lacks sturdy Fire resists. Offensive teams typically resort to using Pokemon like Latias and Primarina to respond to Fire-types, though both are 2HKOed by banded Flare Blitz with rocks down. You could argue that more physically bulky answers in Mega Blastoise, Swampert, Volcanion, and Suicune exist, though all of these Pokemon are risking a 2HKO on the switch from Close Combat in switching in. Infernape has also really benefitted from the loss of both Conkeldurr and Mega Swampert, as the former gave it massive competition as a wallbreaker that didn't require being locked onto moves for massive damage output, while the latter acted as one of the few Pokemon capable of scoffing at its STAB attacks. Mega Sharpedo's rise in viability is also a great thing Infernape has going for it, since banded Mach Punch and Choice Scarfed sets both make quick work of one of the most threatening Pokemon to offense in UU. Overall, Infernape has just responded overwhelmingly well to metagame trends, has so much versatility between its choiced and mixed attacking sets, and at this time in the metagame, has a more appreciated role on the teams it's fitted on than anything else in B+.
Doublade up to B
I personally believe that Doublade is criminally underrated in the metagame. It's a flat-out counter to Hawlucha, which has emerged as one of the most troublesome Pokemon for offensive teams to deal with. Acting as almost a 100% answer to one of the biggest thorns in a playstyle's side is valuable in itself, though Doublade has a good matchup against offense in general thanks to the combination of its high Attack, Swords Dance, and a really powerful priority Shadow Sneak, which is really nice for cleaning up. Beyond just countering Lucha and posing a threat as a sweeper, Doublade has use as a stop to plenty of other Pokemon that heavily pressure the playstyle it fits best on, like Mega Aerodactyl, Latias, Cobalion, Scizor, Terrakion, and Venomoth. If there's one thing you could use to argue that Doublade should stay B-, it's that Dark Spam is on the rise, though even then Doublade can utilize its awesome bulk and Sacred Sword to hold its own against most Dark-types (most notably Weavile and Mega Sharpedo), and also does a superb job partnering Dark-types due to its extremely valuable Fairy resistance and Fighting-type immunity. Super solid mon in general due to the plethora of offensive threats it can so easily keep at bay, and definitely something that I think should come out of B-.
Crobat up to B-/B
This nom seems to come up from time to time, but also seems to always get lost in the sea of other nominations being made. Crobat is just a super valuable offensive mon right now. Its Speed tier and ability to fire off fast and decently powerful Brave Birds is excellent in a metagame infested with fast threats like Infernape, Latias, and Celebi. Infiltrator and Defog are also two really important traits to possess right now, given the prevalence of both Aurora Veil and offensive Pokemon that enjoy hiding behind Substitutes, like Chandelure, Suicune, and particularly Hawlucha, which as I said before, lacks consistent answers on either the offensive or defensive spectrum (f u alolatales). Overall, Crobat's combined utility of possessing the fastest unboosted Defog in the tier, acting as the best offensive check available to Hawlucha behind a sub, and being one of the tier's best revenge killers is extremely good for a Pokemon that currently resides in C+, and I don't think it really has any business being so low anymore.
Rotom-C up to B
It seems as though there's a recurring theme of mons in C+/B- being too low. Rotom-C certainly has more to bring to the table than most anything else in its current subrank, given that it just gives you so much as an Electric-type. Forming amazing VoltTurn cores with Pokemon like Mega Beedrill, Scizor, Infernape, and practically any offensive mon with U-turn gives it a pretty solid niche on offensive teams, and it's fully capable of distinguishing itself from its main competitors in Xurkitree and Raikou. Its additional Grass-typing and Levitate make it way easier for it to pressure the Ground-types that Xurkitree requires two coverage moves and Raikou requires a Z-move for, and its better Speed than the former and respectable bulk and resistances to Water-type attacks that the latter doesn't have makes it easier to fit onto teams a lot of the time. Overall, Rotom-C just has a lot going for it in the meta with a great offensive typing and decent defensive qualities, and really shouldn't stay any less than just a subrank away from Raikou, if they're even staying in separate ranks at all.
Bewear up to B-
I feel that this one doesn't require as much of an explanation. Bewear's niche became a lot more viable come the departures of both Conkeldurr and Buzzwole, as now it no longer has to compete with other Fighting-types that wish to fulfill a tank sort of role. Bewear still has its fair share of problems, including its reliance on Choice Band and lackluster typing, though I feel that considering it now has way less weight off its shoulders and is more or less the best Fighting-type bulky attacker in the tier, a rise is definitely justified.
Drops
Kommo-o down to C- or unranked
I really want to like Kommo-o, but after using multiple variations of it, I don't think that it has any distinguishable niche over any Dragon besides maybe autotomize. Dragon Dance sets are outdone by Haxorus, who has much more immediate power and a better typing for setup, and Flygon, who can adequately pressure Steel-types just as well as Kommo-o and despite its worse bulk, has easier switch-in opportunities by virtue of Levitate. Choice Specs sets don't usually have any merit over Hydreigon since none of Kommo-o's attacks are nearly as spammable as Dark Pulse (not helpful that it has to rely on the unreliable Focus Blast as a Fighting-type special attack), and it isn't really helpful that its power in general isn't all too impressive. The only niche that I think could keep Kommo-o ranked is Autotomize, as +2 Speed + Z-move can put in some work, though that certainly isn't enough in my book to allow Kommo-o to stay C-ranked among much more usable threats in Ninetales, Salazzle, and Cofagrigus, or potentially even ranked at all.
Silvally unranked
Silvally's niche in the metagame stems from its Swords Dance + Z-Explosion set, though in my opinion this set is nowhere near as effective as it needs to be to keep Silvally ranked. It does a decent job chipping traditional Normal resists, though as a Normal-type breaker, the set is almost entirely outclassed by Bewear, which doesn't require setting up
and a Z-move, and instead its own secondary typing, to deal with the tier's majority of Normal-type checks, and overall just has a much better damage output and the coverage needed to cover much more of the meta. Silvally's combination of poor power, average Speed, and competition from any other Z-move user in the tier is more than enough for me to think that it really shouldn't be ranked anymore. It's even more mediocre in practice than on paper, and after multiple attempts to try making this set work, I just can't get past how reliant it is on both setup and prediction to do a job that multiple other Pokemon in the their can do.
I hope you guys enjoyed reading! Hopefully these noms are all reasonable, let me know what your thoughts are! :)