Volcarona @ Passho Berry  
Ability: Swarm  
Tera Type: Bug  
EVs: 164 HP / 28 Def / 244 SpA / 72 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Overheat  
- Bug Buzz  
- Giga Drain  

Hoopa-Unbound @ Custap Berry  
Ability: Magician  
Tera Type: Psychic  
EVs: 4 HP / 252 Atk / 208 Def / 44 Spe  
Adamant Nature  
- Hyperspace Fury  
- Psychic Noise  
- Drain Punch  
- Endure  

Primarina @ Weakness Policy  
Ability: Torrent  
Tera Type: Water  
EVs: 180 HP / 136 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Moonblast  
- Charm  
- Amnesia  

Lumi made the Volcarona set idk, I made it outspeed Meow though just in case they aren't running Giga Impact or they miss.  Hoopa has speed creep for Prim, max Attack, rest in Defense, with 4 in HP b/c from calcs that looked optimal.  Prim is the anti bolt set.