Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Defog  
- Sacred Fire  
- Toxic  
- Recover  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hex  
- Sludge Wave  
- Substitute  
- Hidden Power [Ice]  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Pursuit  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Roar  
- Thunder Wave  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 30 Spe  
- Toxic  
- Roar  
- Defog  
- Rest  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Toxic  
- Roar