Xerneas @ Metronome  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Boomburst  
- Thousand Waves  
- Strength Sap  
- Rapid Spin  

Eternatus @ Black Sludge  
Ability: Soundproof  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Parting Shot  
- Sludge Bomb  
- Knock Off  
- Strength Sap  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Nuzzle  
- U-turn  
- Shore Up  
- Metal Burst  

Groudon @ Soft Sand  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Spikes  
- Glare  
- Strength Sap  

Registeel @ Rocky Helmet  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Worry Seed  
- Topsy-Turvy  
- Parting Shot  
- Slack Off  

Giratina-Origin @ Griseous Orb  
Ability: Competitive  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Moongeist Beam  
- Core Enforcer  
- Roost