Dondozo @ Damp Rock  
Ability: Drizzle  
Tera Type: Fairy  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Toxic Spikes  
- Roar  
- Dragon Tail  
- Flip Turn  

Palkia-Origin @ Lustrous Globe  
Ability: Swift Swim  
Tera Type: Dragon  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
- Weather Ball  
- Spacial Rend  
- Rapid Spin  
- Nasty Plot  

Greninja-Mega @ Life Orb  
Ability: Adaptability  
Tera Type: Ground  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Surf  
- Ceaseless Edge  
- Water Shuriken  
- Flip Turn  

Dialga-Origin @ Assault Vest  
Ability: Stamina  
Tera Type: Fairy  
EVs: 252 HP / 92 SpA / 144 SpD / 20 Spe  
Modest Nature  
IVs: 0 Atk  
- Electro Shot  
- Surf  
- Flash Cannon  
- Draco Meteor  

Urshifu-Rapid-Strike @ Choice Band  
Ability: Swift Swim  
Tera Type: Water  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Close Combat  
- Surging Strikes  
- Aqua Jet  
- U-turn  

Arceus-Ghost @ Spooky Plate  
Ability: Fluffy  
Tera Type: Fighting  
EVs: 160 HP / 252 Def / 96 Spe  
Bold Nature  
IVs: 0 Atk  
- Aura Sphere  
- Judgment  
- Strength Sap  
- Calm Mind