Miraidon @ Choice Specs  
Ability: Hadron Engine  
Tera Type: Dragon  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Rising Voltage  
- Dragon Energy  
- Draco Meteor  
- U-turn  

Mewtwo-Mega-X @ Life Orb  
Ability: Adaptability  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Photon Geyser  
- Close Combat  
- Strength Sap  
- Astral Barrage  

Arceus-Water @ Ability Shield  
Ability: Fur Coat  
Shiny: Yes  
Tera Type: Dragon  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Topsy-Turvy  
- Heal Order  
- Teleport  

Groudon @ Red Orb  
Ability: Intrepid Sword  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Knock Off  
- Solar Beam  
- Morning Sun  

Zacian-Crowned @ Covert Cloak  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Magical Torque  
- Fishious Rend  
- Heal Order  
- Tidy Up  

Dialga-Origin @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Anchor Shot  
- Core Enforcer  
- Spectral Thief  
- Heal Order