Ho-Oh @ Flyinium Z  
Ability: Regenerator  
EVs: 56 HP / 184 Atk / 64 Def / 204 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Toxic  
- Whirlwind  

Rayquaza @ Focus Sash  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Swords Dance  
- Dragon Ascent  
- Extreme Speed  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Thunder  
- Ice Beam  
- Origin Pulse  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 88 Atk / 108 SpD / 60 Spe  
Careful Nature  
- Precipice Blades  
- Overheat  
- Stealth Rock  
- Toxic  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 32 HP / 188 SpA / 36 SpD / 252 Spe  
Modest Nature  
- Foul Play  
- Oblivion Wing  
- U-turn  
- Dark Pulse  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 92 HP / 168 SpA / 48 SpD / 200 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Defog  
- Ice Beam  
- Judgment