Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Stealth Rock  
- Spikes  
- Taunt  
- Magic Coat  

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

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 164 Def / 252 SpA / 92 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 8 HP / 240 Atk / 96 SpD / 164 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Precipice Blades  
- Stone Edge  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Crunch  
- Taunt  

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