This is my current playthrough team and it is currently holding up very well:
Incineroar @Incinium Z
Ability: Blaze
- Brick Break, Fire Punch, Darkest Lariat, Earthquake
Brick Break is here mostly to shatter opponent's screens, but it also provides extra coverage. Fire Punch is a good physical STAB move which I prefer over flamethrower since Incineroar is a physical attacker and Flare Blitz is kinda annoying with the recoil damage. Darkest Lariat is a major asset, especially for Totem Battles and the Ultra Necrozma fight since it ignores any defense boosts they have and it turns into a nuke when it is used with Incinium Z. Finally, Earthquake is very powerful coverage.
Golisopod @Silver Powder
Ability: Emergency Exit
- First Impression, Rock Slide, Drill Run, Liquidation
First Impression combined with silver powder makes for a massive hit right out of the gate before your opponent hits you. Rock Slide deals with flying types. Drill Run deals with any electric or rock types that threaten Golisopod and Liquidation is strong STAB with a neat secondary effect (chance to lower opponent's defense by 1 stage)
Tsareena
Ability: Leaf Guard (Queenly Majesty is much better though)
@Rose Incense - Trop Kick, Payback, U-Turn, Stomp
Trop Kick is reliable STAB damage that is boosted by Rose Incense. U-Turn can be used to pivot. Payback can be useful and powerful if Tsareena is slower than an opponent. Stomp is here for the nice flinch chance it can give you if Tsareena moves first.
Lycanroc Midnight Form @Hard Stone
Ability: Keen Eye
- Rock Slide, Crunch, Stone Edge, Counter
Rock Slide is reliable STAB with a flinch chance. Crunch is a strong coverage move if I need it, Stone Edge has raw power and can become very strong with Lycanium Z. Counter is here since it is very useful against tougher opponents and it saved me in the Totem Togedemaru trial.
Bewear @Fightinium Z
Ability: Klutz (Fluffy is better though)
- Hammer Arm, Thrash, Shadow Claw, Bulk Up
Hammer Arm and Thrash are powerful STAB moves that work really well with Bewear's massive attack stat. Shadow Claw deals with ghost and psychic types. Bulk up can let Bewear set up against physical attackers who can't threaten it with powerful super effective moves.
Vikavolt @Wise Glasses
Ability: Levitate
- Thunderbolt, Bug Buzz, Flash Cannon, Energy Ball
Thunderbolt and Bug Buzz are standard STAB moves for Vikavolt. Flash Cannon and Energy Ball are also very standard for a Vikavolt in a playthrough as powerful coverage moves.
I really like this team, but I'm likely switching Tsareena out for a Dhelmise soon. Here's the set I was thinking of using:
Dhelmise @Metal Coat
Ability: Steelworker
- Phantom Force, Power Whip, Anchor Shot, Earthquake
Earthquake deals with fire types really well. Phantom Force and Power Whip are its strongest STAB moves and Anchor Shot gains quite a bit of power thanks to Steelworker along with the Metal Coat (goes from 80 power to 144 power). Also, Anchor Shot deals with Dhelmise's weakness to ice types