Ho-Oh @ Flyinium Z  
Ability: Regenerator  
EVs: 252 HP / 188 Atk / 52 SpD / 16 Spe  
Adamant Nature  
- Brave Bird  
- Substitute  
- Curse  
- Whirlwind  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 HP / 56 Def / 200 SpD  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Rest  

Arceus @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 148 Def / 48 SpD / 60 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Toxic  
- Recover  
- Defog  

Sableye @ Sablenite  
Ability: Prankster  
EVs: 248 HP / 188 Def / 72 SpD  
Careful Nature  
- Recover  
- Foul Play  
- Knock Off  
- Toxic  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 220 Def / 32 SpD / 4 Spe  
Impish Nature  
- Thousand Arrows  
- Rest  
- Dragon Tail  
- Coil  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 16 Def / 244 SpD  
Calm Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Heal Bell  
- Pain Split  
- Ice Beam