Khonsu (Mewtwo-Mega-Y) @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Ice Beam  
- Bolt Strike  
- Earth Power  
- Psychic  

Seth (Giratina) @ Griseous Orb  
Ability: Magic Bounce  
Level: 99  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Core Enforcer  
- Spectral Thief  
- Recover  
- Defog  

Surtr (Groudon) @ Red Orb  
Ability: Intimidate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Precipice Blades  
- Recover  
- Spikes  

Yggdrasil (Xerneas) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Spectral Thief  
- Moonblast  
- Stealth Rock  
- Strength Sap  

Loki (Blissey) (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Recover  
- Trick  
- U-turn  
- Toxic Spikes  

The World Egg (Chansey) (F) @ Eviolite  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpD / 1 Spe  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- U-turn  
- Recover  
- Topsy-Turvy  
- Metal Burst