Ursaluna @ Misty Seed  
Ability: Teravolt  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Precipice Blades  
- Bolt Strike  
- Rapid Spin  
- Coil  

Koraidon @ Heavy-Duty Boots  
Ability: Misty Surge  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Triple Arrows  
- Ivy Cudgel  
- Magic Room  
- Parting Shot  

Arceus-Ghost @ Spooky Plate  
Ability: Regenerator  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Judgment  
- Stone Axe  
- Thunder Wave  
- Take Heart  

Gyarados-Mega @ Misty Seed  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Surging Strikes  
- Flip Turn  
- Thief  
- Nuzzle  

Dialga-Origin @ Adamant Crystal  
Ability: Soundproof  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Revelation Dance  
- Knock Off  
- Wish  
- Parting Shot  

Ho-Oh @ Misty Seed  
Ability: Magic Guard  
Tera Type: Fire  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Magma Storm  
- Steel Beam  
- Matcha Gotcha  
- Take Heart