Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Insomnia  
EVs: 216 HP / 40 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Aura Sphere  
- Psystrike  
- Calm Mind  

Bronzong @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stealth Rock  
- Gyro Ball  
- Toxic  
- Psywave  

Tyranitar @ Shuca Berry  
Ability: Sand Stream  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Toxic  
- Pursuit  
- Foul Play  
- Roar  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Recover  
- Iron Defense  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Roar  
- Rest  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 244 HP / 240 SpD / 24 Spe  
Careful Nature  
- Rest  
- Precipice Blades  
- Fire Punch  
- Swords Dance