Xerneas @ Choice Specs  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 1 Atk  
- Moonblast  
- Aromatherapy  
- Thunder  
- Hidden Power [Fire]  

Scizor-Mega @ Scizorite  
Ability: Technician  
EVs: 248 HP / 76 Atk / 184 SpD  
Careful Nature  
- Curse  
- Bullet Punch  
- U-turn  
- Roost  

Kyogre @ Blue Orb  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Origin Pulse  
- Calm Mind  
- Ice Beam  
- Thunder  

Groudon @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
- Stealth Rock  
- Toxic  
- Overheat  
- Precipice Blades  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 96 HP / 200 Def / 212 SpA  
Bold Nature  
IVs: 0 Atk  
- Thunder Wave  
- Toxic  
- Hex  
- Defog  

Arceus-Flying @ Sky Plate  
Ability: Multitype  
EVs: 248 HP / 4 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Refresh  
- Recover  
- Calm Mind