Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Sacred Fire  
- Brave Bird  
- Toxic  
- Defog  

Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Foul Play  
- Knock Off  
- U-turn  
- Sucker Punch  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 136 Def / 24 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Ice Beam  
- Recover  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 252 SpD / 8 Spe  
Sassy Nature  
- Stealth Rock  
- Precipice Blades  
- Lava Plume  
- Roar  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Defog  
- Thunder Wave  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Rest  
- Glare  
- Thousand Arrows  
- Coil