Zamazenta @ Choice Band  
Ability: Dauntless Shield  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Crunch  
- Wild Charge  
- Psychic Fangs  

Necrozma-Dusk-Mane @ Heavy-Duty Boots  
Ability: Prism Armor  
EVs: 252 HP / 32 Atk / 224 SpD  
Careful Nature  
- Stealth Rock  
- Morning Sun  
- Sunsteel Strike  
- Knock Off  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- Sucker Punch  
- Defog  
- Roost  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 SpA / 252 Spe  
Serious Nature  
IVs: 30 Atk  
- Transform  

Gastrodon @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Atk  
- Recover  
- Ice Beam  
- Toxic  
- Earth Power