CeleTran + Sub Smack Down Lando-T
Alright, so some may have seen this team already, this team actually has a twist: I am using Sub Smack Down Lando-T instead! Generally speaking, I think that Sub Smack Down does have similar properties to Fighting Gem SD as it forces in Skarmory but Sub Smack Down puts it in a Catch-22 situation where it then forced out because it loses its Flying-Type and is then vulnerable to being broken through by Lando-T. This can put a lot of teams in rather awkward positions as a lot of Sand Teams, specifically Alakazam Spikes Teams, frequently have Skarmory and Gliscor as their Lando-T answers. To be perfectly honest, the reason I am super high on sets like these is for two reasons: 1) Skarm is super common in the meta, more specifically the specially defensive variant to counter Alakazam, and 2) I personally feel like Support Lando-T is a super bland mon to use atm especially when every team I build with it ends up being super do nothing against Skarmory.
Of course, the general problem a lot of players have with Lando-T is that, if you don't run Support Lando, then who will be your rocker? Well in this case, it is Celebi. Now I know what you are thinking, "Isn't Celebi one of the worst rockers in the meta because of how weak it is to Volcarona?" Well yes but that is because the teams that were built around Stealth Rock Celebi didn't have any actual counterplay against it. This is where Heatran, a nowadays overlooked but very effective partner for Celebi, comes in. I saw a lot of discussion about how Heatran is also in that weird position where it had lost a lot of viability in the current meta with the Spore ban, but I feel like Heatran is actually one of the most underrated threats in the current meta as it is probably one of the biggest banes for hyperoffensive teams to deal with. With Air Balloon, Heatran completely walls any Volcarona set barring Hidden Power Ground (or Hidden Power Water if you run the occasional fringe Volcarona Rain team) and can even serve as a potential wincon with Flame Charge. There is also the fact that literally, nothing switches into Magma Storm, be it hyperoffensive teams, Sand Balance or even occasional Rain Teams want nothing to do with Magma Storm.
In conclusion, I feel like CeleTran is a really overlooked style and could use some more experimentation since it's one of the few ways to viably run Stealth Rock Celebi without being horribly weak to Volcarona.