Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Foul Play  
- Knock Off  
- U-turn  
- Dual Wingbeat  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Thunder Wave  
- Whirlwind  

Xatu @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Roost  
- Feather Dance  
- Teleport  
- Night Shade  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Grass Knot  
- Leech Seed  
- Earthquake  
- Sleep Powder  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  
- Stealth Rock  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Teleport  
- Calm Mind  
- Seismic Toss  
- Soft-Boiled