Miraidon @ Choice Specs  
Ability: Hadron Engine  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Electro Drift  
- Draco Meteor  
- Overheat  
- Volt Switch  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 240 HP / 144 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Taunt  
- Toxic  
- Recover  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- U-turn  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Ground  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Toxic  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Fairy  
EVs: 252 HP / 52 Def / 204 SpD  
Careful Nature  
- Stealth Rock  
- Toxic  
- Precipice Blades  
- Dragon Tail  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Dark  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Play Rough  
- Behemoth Blade  
- Crunch