Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nature's Madness  
- Taunt  
- Reflect  
- Light Screen  

Barbaracle @ Rockium Z  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Stone Edge  
- Liquidation  
- Shell Smash  
- Substitute  

Rayquaza-Mega @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Ascent  
- Earthquake  
- Extreme Speed  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 248 Atk / 8 SpD / 252 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Sunsteel Strike  
- Earthquake  

Groudon-Primal @ Red Orb  
Ability: Drought  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Dragon Tail  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Stone Edge  
- Swords Dance  
- Rock Polish