Very much enjoyed this tournament - any format that gives Crawdaunt the love he deserves gets my vote.
Went 11-4; 11-4; 10-5 for a final rating in the ~1730s. Went with a primarily hard Trick Room team, with Exeggutor and Chandelure setting up, supported by either Sky Drop Aerodactyl or Togekiss.
Aerodactyl's Sky Drop was an absolutely incredible move in this meta - particularly when combined with Trick Room. With the sole exception of enemy Aerodactyl (who I was EV'd to underspeed, allowing a KO w/Stone Edge when under Trick Room), Sky Drop + Trick Room on turn 1 meant that one of the opponent's team was effectively neutralised for 2 turns, Aerodactyl was protected for 2 turns, and the enemy took a 90bp attack - all for one action. So many games began with Aero neutralizing the threat to Exeggutor/Chandelure and dodging an attack, with TR going up unscathed. And when opponents deprioritise Aerodactyl to focus on your TR sweepers, he can continue to 'fake out' opponents with Sky Drop for next turn despite moving last.
Exeggutor was the unsung hero of the team. Sludge Bomb was very useful as a tech - eliminating Bulu and Whimsicott who assumed they were safe to stay in, and 2HKOing Togekiss. Leaf Storm OHKOing Tyranitar, Gigalith, Terrakion, and non-resisting Greninja was just gravy. Frisk was also an all-around decent ability in a meta where knowing who was holding the Weakness Policy was a handy piece of intel. Also, baiting unwitting Sky Drops from opponents who don't know that Exeggutor is too heavy to lift was a pleasant benefit at several points through the tourney.
Breloom under Trick Room was just unspeakably powerful. The number of 'grass resists' that got KO'd by Bullet Seed is too long to fully enumerate. And with the option of Spore to ensure the KO, it gets pretty obscene. OHKOing Tyranitar with Mach Punch also never got old.
I was surprised not to run in to more Weakness Policy Togekiss, as that thing is bulky AF and can turn the tables on some of its common 'counters' (Terrakion and Weavile particularly), especially under Trick Room.
Two of the most reliable checks to this team were Dhelmise and Abomasnow - I didn't see many of those, but if they came in while TR was up, it was often GG.