Ho-Oh @ Flyinium Z  
Ability: Regenerator  
EVs: 248 HP / 208 Atk / 52 SpD  
Adamant Nature  
- Curse  
- Brave Bird  
- Sacred Fire  
- Recover  

Sableye @ Sablenite  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Fake Out  
- Foul Play  
- Will-O-Wisp  
- Recover  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 160 Def / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Stealth Rock  
- Ice Beam  
- Recover  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 208 Def / 52 SpD  
Relaxed Nature  
IVs: 0 Atk / 30 Spe  
- Defog  
- Rest  
- Toxic  
- Roar  

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

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Flash Cannon  
- Heal Bell  
- Heart Swap  
- Volt Switch