Drat, and I had a whole spiel ready for Magearna. Oh well, into the wastebin it goes. Anyways, it's been a minute since I've had anything to say so I figured I'd give my "extremely relevant" opinions on things.
I'll go ahead and just put out the (most likely) popular sentiment of Pidgeotite needing to go by this point. Even if we doinked Zap Cannon again, there's one too many excellent users beyond extremely specific and already banned 'mons, and it was definitely a relevant factor in Mage's recent suspect test, even if it wasn't the primary cause. Even though its pool of actually relevant abusers is much smaller than other really broken stones, it tends to just enable some really nasty degeneracy that we're not seeing anywhere else thanks to moves like the already aforementioned Zap Cannon, or even just Thunder and Hurricane's respective 30% chance to inflict "fun".
This one's definitely more out of left field, but I kinda feel like Screens, more specifically Light Clay, may need looking at in the near future. While technically always feasible to run; Screens as a playstyle has never been super prominent, but has gained some small amount of popularity, and it's not hard to see why: Stuff gets really really wacky when you can hide already bulky sweepers behind 1/2 damage for 7 or so turns, and when not every team is running Defog Corviknight, it turns Screens into a pretty nasty MU fish with already dangerous 'mons like Arc suddenly gaining the free turns it needs to boost up and begin rolling over even well-prepared teams. In previous gens Screens wasn't seen likely due to the prominence of Defog, but also just the raw teambuilding sink of running a dedicated screens user. This gen it seems, it's a good bit easier to fit a screens abuser and significantly harder to remove them for the opponent, unless again, they're running a Defogger.
Spectrier has gone pretty hard under the radar since Home dropped, but it's definitely worth putting on the radar. Spectrier didn't get a huge amount in the generational shift, but it did get two very important tools, namely a reliable -ate STAB option in Tera Blast, and a pseudo recovery option in Draining Kiss(which it can gain STAB on or at least boost in damage). Spectrier is already really really good at clicking Shadow Ball, but the two new movepool additions give it very viable options to break past otherwise consistent switchins, and Draining Kiss in particular gives SubPlot(or SubCM) sets a near unhealthy amount of consistency. This of course doesn't count its already great base speed and extemely good Sp. Atk. for the current meta, or ability to efficiently break apart balance cores thanks to Hex/Wisp and Taunt. While its otherwise atrocious movepool and middling at best physical bulk hold it back, Spectrier is definitely well positioned to roll over a significant amount of the meta.
And finally, I'd like to bring up another 'mon that has simply dropped off in popularity, but is well positioned to make a strong comeback: Garganacl. While pretty suspect-worthy pre-home, Garg is now significantly healthier for the meta and has several notable niches that many other MnM residents would kill to have, but has dropped off a cliffside in terms of usage/popularity. While the old IronPress set still exists, Garg's walling and stalling capabilities are more relevant than ever nowadays. Nothing Post-Home likes being Salt Cured, and Magearna in particular HATES it(It needs to run a Steel move just to make Garg care and even then the Aggronite sets barely care at all), and levitating or even Pinsirite variants can very effectively sit on several Arceus variants and many ground types, being able to spread its favorite damaging move and sometimes even find a chance to set up or throw some Stealth Rocks up. Generally excellent choice in current meta provided you can support it effectively.
