Groudon @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Haze  
- Reflect  
- Light Screen  
- Soft-Boiled  

Eternatus @ Life Orb  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Nasty Plot  
- Draco Meteor  
- Sludge Wave  
- Earth Power  

Ho-Oh @ Choice Scarf  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- V-create  
- Switcheroo  
- Defog  

Xerneas @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Boomburst  
- Extreme Speed  
- Stealth Rock  
- Strength Sap  

Chansey (M) @ Eviolite  
Ability: Imposter  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
- Anchor Shot  
- Spectral Thief  
- Soft-Boiled  
- Worry Seed  

Kartana @ Sitrus Berry  
Ability: Unburden  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Belly Drum  
- Sunsteel Strike  
- Fusion Bolt  
- Sacred Fire