Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 Atk / 252 Spe  
Jolly Nature  
- Spikes  
- Stealth Rock  
- Magic Coat  
- Skill Swap 

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

Arceus @ Life Orb  
Ability: Multitype  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Extreme Speed  
- Earthquake  
- Shadow Claw  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Precipice Blades  
- Fire Punch  
- Toxic  
- Hidden Power [Ice]  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Psystrike  
- Taunt  
- Fire Blast  

Darkrai @ Psychium Z  
Ability: Bad Dreams  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hypnosis  
- Nasty Plot  
- Dark Pulse  
- Sludge Bomb