Miraidon @ Choice Specs  
Ability: Hadron Engine  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Dragon Energy  
- Rising Voltage  
- Volt Switch  
- Trick  

Arceus-Ghost @ Spooky Plate  
Ability: Simple  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- No Retreat  
- Judgment  
- Triple Arrows  
- Strength Sap  

Chansey @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Whirlwind  
- Shore Up  
- Teleport  
- Heal Bell  

Dialga-Origin @ Assault Vest  
Ability: Regenerator  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Quiet Nature  
IVs: 0 Spe  
- Draco Meteor  
- Nuzzle  
- U-turn  
- Ceaseless Edge  

Groudon @ Earth Plate  
Ability: Mold Breaker  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Victory Dance  
- Precipice Blades  
- Knock Off  
- Strength Sap