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

Sableye-Mega @ Sablenite  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Foul Play  
- Fake Out  
- Will-O-Wisp  
- Recover  

Marshadow @ Focus Sash  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Endeavor  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 52 Atk / 252 SpA / 204 Spe  
Mild Nature  
- Eruption  
- Precipice Blades  
- Hidden Power [Ice]  
- Rock Tomb  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 192 Def / 68 SpD  
Impish Nature  
- Dragon Tail  
- Toxic  
- Defog  
- Rest  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Stealth Rock  
- Recover  
- Refresh