Here's the teams that I used this year in SPL. I won't spend much time discussing the games or how I prepared for them, this is more an overview of the teambuilding and strategies each team uses.
Week 1 vs. vani
(Replay)
The idea behind this team is using back Agility pass Smeargle + Marowak to take advantage of people sacrificing HP on Cloyster for early Spikes vs Snorlax. Most offense teams can't reliably stop Spore Smeargle from Baton Passing and only have Cloy to stand against +2 speed Marowak. Of course it is a lot easier for Smeargle to Baton Pass from the lead slot, so the rest of the team helps set up a scenario where Smeargle can set up Agility without being OHKO'd. (Aka get rid of the Explosion mons the opponent has or get Smeargle in on a Sleep Talker)
The Forre set is goofy and I don't recommend you run it on regular team. Spikes + Explosion is good, Toxic slows down Curse Lax, and spin supports Wak. Most prominently for Smeargle trying to BP on Zapdos to Marowak - prevents Hidden Power from 2HKOing. Drill Peck on Zapdos exists pretty much only for Exeggutor.
The opening line for this team is very simple, stay in with Lax and click click click against basically everything. Go Forre is the opponent reveals Curse Lax.
Week 2 vs. ggggd
(Replay)
I like Thief Gengar but I don't like how easily it is Pursuit trapped. However, if the opponent has Pursuit they most likely have some form of MonoLax. In that case Screech Tyranitar should be pretty good. This combination is my attempt to hedge my bets in various matchups to always have some sort of advantage. Reflect + Whirlwind Zapdos is here to help against Earthquake Snorlax which can be a little dicey for this team. If you're using this team you'll want to exploit Snorlax without Leftovers or use Explosion to remove it.
Semi-related, but I find it very interesting how the lead Jynx vs Zapdos line has changed in the past ~year. Most Zapdos stay in a Thunder Jynx T1 to avoid Jynx landing Thief on Snorlax. This evolution in strategy has significantly changed how I rate lead Jynx. It is no longer the instant momentum tool it used to be. If I faced lead Zap with this team against ggggd I planned to switch Jynx out.
Week 3 vs. RealJester
(Replay)
Wouldn't it be funny to disguise a team as Lax/Cloy/Kou/Egg/Golem/Hera? Wouldn't it be funny to also disguise the team as Lax/Cloy/Kou/Zap/Golem/Champ? In all seriousness this team plays closers to double elec + Machamp than it does your usual Hera boom offense. Rest Talk Heracross has a similar defensive profile to Zapdos but pairs nicely with Machamp with Seismic Toss to chip the opponent's Zap/Skarm. On the flip side Machamp can also sacrifice its HP to trade with flyers to make clear the way for Hera.
The team is pretty fraudulent against Curse Heracross so if you want to use it often its probably best to change Hidden Power Ghost on Machamp for a different coverage move.
Week 4 vs. BlazingDark
(Replay)
This is an offense team masquerading as a stall. It preys on people's assumptions about Blissey's typical role and sets. No recovery on Blissey is an unusual choice, but since 99% of Blissey are running SoftBoiled you'll just waste PP if you spam special attacks into it. Most people will just switch out their special attackers against Bliss. Since Blissey is also assumed to be Heal Bell support people don't expect the third coverage move. Ice Beam and Toxic are usually the two moves I reveal first to lure in the opponent's Spiker and bop Forre with a Flamethrower or Cloyster with a Present. Toxic Blissey is annoying enough for offense teams, but it can also be a hilariously effective stall breaker in the right matchup. (It sauces Lax/Kou/Skarm/Forre/Umb/Mie for example) Here's a fun
ladder replay of Blissey cooking stall that I don't have anywhere else to share.
I like the idea behind team but the techs really did not work into BD's Spikesless team + Miltank team. I also got punished for my Forre greed. I wish I brought the Gengar > Starmie version which is my standard last slot on this team.
Week 5 vs. Zokuru
(Replay)
This team was graciously donated (read: stolen) from Kenix after he used it against me in GSC circuit champs. I liked the idea of using a Spikes-less team with double Growth Eeveelutions for wall breaking power. I think there is room for exploration with GSC Spikes-less offense and especially playing aggressively in the early game to exploit or prevent your opponent from Spiking early with Cloy/Forre. Unfortunately these types of teams are pigeonholed by the stall matchup and virtually must run some Growth mons. Trying to break stall on the physical side without Spikes is brutal.
Kenix's master copy may differ slightly from what I used, but I liked the utility of non-Psychic Exeggutor. Kenix also claims the team should use HP Grass Espeon to deal with Starmie, but Vaporeon should be sufficient in my opinion.
Week 6 vs. Fear
(Replay)
This is probably one of the most "standard" teams I brought this season for SPL. Not too much to talk about here, it uses the idea of Alakazam as a Gengar switch in and offense generator to ignore the issue of bringing MonoLax without Pursuit support. This also frees up Ttar to use a different set. This team is
fine, not my proudest work. I'm kicking myself for not bringing Fire Punch Alakazam into Fear, but I had my fair share of self inflicted bad luck that game. Maybe I got Fear sweating for the last few turns with the unrevealed fourth move but probably not.
Week 7 vs. Vileman
(Replay)
This team is courtesy of Mr. 378 from a secret Santa tour back in 2020, but I'm pretty sure the idea existed for a while before that. It's a pretty typical paralysis Marowak offense with HP Elec Spin Cloy to harass other Cloy more effectively than Toxic + Curse P2 for Curse Lax countermeasures. Dragon Breath Lix also has the undeniable cool factor. It has more PP and does slightly more damage to Cloy than Body Slam but I think it's strongest benefit is the lower damage vs. Zapdos can make it more difficult for Zap to Rest off any paralysis.
For a bit of game commentary I didn't want to crit Vileman on turn 50, just get his Lax lower to hedge against him critting my P2. That made the endgame more uncomfortable than I wanted.
Week 8 vs. Chiles Habaneros
(Replay)
By this week of SPL I'd run dry on good team ideas to I dipped into something I've used a few times before. It is a typical double electric offense that drops the traditional normal resist for Porygon2. P2 is a safe enough check for Snorlax not running any status inflicting moves (or Belly Drum). Lax needs two crits in three turns to remove a P2 spamming Recover. Whenever Lax Curses P2 can do the same on the next turn. P2 often PP stalls out the opponents Lax (Return>DE for PP reasons), but also packs Ice Beam for fish for freezes against any Snorlax trying to be PP efficient. However, while this Recover spamming line is safe in most scenarios it's also very passive and can be exploited.
I would have liked to Curse up against Chiles' Lax to have a better matchup against his unrevealed last mon but wanted to avoid getting crit on the turn and the turn after I Cursed. In retrospect it may have been better to go for the Curse play for better odds overall (if Chiles got one crit he would've gone hard Zard the next turn). My power went out in the middle of the game and I had to finish it out on mobile. I wasn't in the best headspace for complex calculations, I basically autopiloted the endgame.
Week 9 vs. ziloXX
(Replay)
With my team guaranteed in playoffs by the time I played zilo I wanted to cook a little bit with some Laxless offense. This team is not reliable in the slightest. It basically gets one shot to pull off the Vap -> Jolt -> Zapdos chain and you hope it wins the game. I think the idea to use the combination of AA Vap and Growth Jolt to string Baton Pass chains against the two most common answers to Growth strategies (Snorlax and Zapdos) is pretty creative, but the team is probably better off just dropping Spikes for Snorlax. Vaporeon has Roar to kick out any Snorlax that try to Curse up against it btw.
This team did not enjoy running into special offense, but I can't complain about anything when I'm running Laxless.
Semifinals vs. Rubyblood
(Replay)
I'm a strong believer that with RestTalk Zap + RestTalk Kou you can run whatever the hell you want on Snorlax. This is the very standard double electric Machamp except I decided whatever the hell I wanted was Lovely Kiss/Belly Drum/Earthquake Snorlax. It paid off pretty well in my second game against the Tyrants. You can say I had some idea of their preparation for me after my game against BlazingDark.