Regirock @ Leftovers  
Ability: Clear Body  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Stealth Rock  
- Drain Punch  
- Protect  
- Toxic  

Regice @ Assault Vest  
Ability: Clear Body  
EVs: 252 SpA / 252 SpD / 4 Spe  
Careful Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunderbolt  
- Focus Blast  
- Flash Cannon  

Articuno @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
IVs: 0 Atk  
- Defog  
- Substitute  
- Toxic  
- Roost  

Silvally-Fairy @ Fairy Memory  
Ability: RKS System  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Defog  
- Multi-Attack  
- Parting Shot  
- Toxic  

Type: Null @ Eviolite  
Ability: Battle Armor  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Swords Dance  
- Return  
- Iron Defense  
- Rest  

Regigigas @ Leftovers  
Ability: Slow Start  
EVs: 248 HP / 8 Atk / 252 SpD  
Careful Nature  
- Toxic  
- Knock Off  
- Substitute  
- Return