Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
IVs: 0 Spe  
- Shadow Sneak  
- Toxic  
- King's Shield  
- Gyro Ball  

Mewtwo @ Choice Specs  
Ability: Pressure  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Fire Blast  
- Psystrike  
- Aura Sphere  

Ho-Oh @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def  
Impish Nature  
- Roost  
- Toxic  
- Sacred Fire  
- Earthquake  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 44 Atk / 208 SpA / 4 Spe  
Naughty Nature  
- Rock Polish  
- Precipice Blades  
- Fire Blast  
- Hidden Power [Ice]  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 68 Def / 184 SpD / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Defog  
- Judgment  
- Recover  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 4 HP / 252 SpA / 252 Spe  
Mild Nature  
- Dark Pulse  
- Oblivion Wing  
- U-turn  
- Foul Play