Volcarona @ Life Orb  
Ability: Swarm  
Tera Type: Bug  
EVs: 160 Def / 108 SpA / 240 Spe  
Timid Nature  
IVs: 0 Atk  
- Overheat  
- Bug Buzz  
- Will-O-Wisp  
- Quiver Dance  

Primarina @ Weakness Policy  
Ability: Torrent  
Tera Type: Water  
EVs: 88 HP / 232 Def / 188 Spe  
Bold Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Draining Kiss  
- Charm  
- Calm Mind  

Raging Bolt @ Custap Berry  
Ability: Protosynthesis  
Tera Type: Electric  
EVs: 76 Def / 252 SpA / 180 Spe  
Modest Nature  
IVs: 20 Atk  
- Thunder  
- Draco Meteor  
- Thunderclap  
- Endure  

Volcarona outspeeds jolly base 80s, def for Urshifu, rest in Spatk.  Standard Prim, Bolt has max spatk, a bunch of speed, rest in defense.