Camerupt-Mega @ Cameruptite  
Ability: Sheer Force  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Heat Wave  
- Earth Power  
- Nature Power  
- Protect  

Tapu Fini @ Choice Specs  
Ability: Misty Surge  
Tera Type: Dragon  
EVs: 248 HP / 120 Def / 140 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Muddy Water  
- Moonblast  
- Dazzling Gleam  
- Hidden Power [Fire]  

Porygon2 @ Eviolite  
Ability: Download  
Tera Type: Fairy  
EVs: 246 HP / 136 Def / 16 SpA / 110 SpD  
Quiet Nature  
IVs: 0 Spe  
- Tera Blast  
- Trick Room  
- Recover  
- Ice Beam  

Sinistcha @ Sitrus Berry  
Ability: Hospitality  
Tera Type: Water  
EVs: 248 HP / 108 Def / 68 SpA / 84 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Shadow Ball  
- Matcha Gotcha  
- Trick Room  
- Rage Powder  

Diancie @ Hard Stone  
Ability: Clear Body  
Tera Type: Grass  
EVs: 248 HP / 236 Atk / 24 Def  
Brave Nature  
IVs: 0 Spe  
- Diamond Storm  
- Body Press  
- Trick Room  
- Protect  

Iron Hands @ Assault Vest  
Ability: Quark Drive  
Tera Type: Fire  
EVs: 252 Atk / 4 Def / 252 SpD  
Brave Nature  
IVs: 0 Spe  
- Drain Punch  
- Wild Charge  
- Fake Out  
- Heavy Slam