Arceus-Electric @ Electrium Z  
Ability: Multitype  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Thunder  
- Ice Beam  
- Recover  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Toxic  
- Hex  
- Magic Coat  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Toxic  
- Moonblast  
- Hidden Power [Fire]  
- Aromatherapy  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Overheat  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Toxic  
- Leech Seed  
- Heavy Slam  
- Protect  

Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Toxic  
- Brave Bird  
- Sacred Fire  
- Recover