Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Stealth Rock  
- Taunt  
- Thunder Wave  

Arceus @ Life Orb  
Ability: Multitype  
Happiness: 0  
EVs: 32 HP / 252 Atk / 224 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Frustration  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Dragon Dance  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 44 Atk / 252 SpA / 56 SpD / 156 Spe  
Mild Nature  
- Rock Polish  
- Fire Blast  
- Precipice Blades  
- Dragon Pulse  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 112 Def / 248 SpA / 148 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Psyshock  
- Hidden Power [Rock]  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 104 Def / 252 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Psyshock