Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 40 HP / 216 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Taunt  
- Defog  
- Roost  

Eternatus  
Ability: Pressure  
EVs: 208 HP / 252 SpD / 48 Spe  
Calm Nature  
- Dragon Tail  
- Flamethrower  
- Toxic Spikes  
- Recover  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Sunsteel Strike  
- Toxic  
- Stealth Rock  
- Moonlight  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 192 Def / 52 SpD / 16 Spe  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Thunder Wave  
- Whirlwind  

monke (Rillaboom) @ Terrain Extender  
Ability: Grassy Surge  
EVs: 240 HP / 252 Atk / 16 Def  
Brave Nature  
- Grassy Glide  
- Knock Off  
- U-turn  
- Superpower  

Xerneas @ Grassy Seed  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Ingrain  
- Calm Mind  
- Rest