Shedinja @ Focus Sash  
Ability: Sturdy  
- Endeavor  
- Quick Attack  

Groudon-Primal @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Bonemerang  
- Sunsteel Strike  
- Ice Punch  

Arceus-Electric @ Air Balloon  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
- 10,000,000 Volt Thunderbolt  
- 10,000,000 Volt Thunderbolt  
- 10,000,000 Volt Thunderbolt  
- 10,000,000 Volt Thunderbolt  

Rayquaza-Mega @ Choice Band  
Ability: Huge Power  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
- Dragon Hammer  
- Dragon Ascent  
- Dragon Dance  
- 10,000,000 Volt Thunderbolt  

Entei @ Chesto Berry  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
- Burn Up  
- 10,000,000 Volt Thunderbolt  
- Extreme Evoboost  
- Catastropika  

Deoxys-Speed @ Choice Scarf  
Ability: No Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sheer Cold  
- Fissure  
- Horn Drill  
- Guillotine  

Eternatus-Eternamax @ Black Sludge  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Atk / 240 Def / 252 SpD / 252 Spe  
Impish Nature  
- Fissure  
- Rapid Spin  
- Spectral Thief  
- Spikes