Calyrex-Ice @ Heavy-Duty Boots  
Ability: As One (Glastrier)  
EVs: 248 HP / 252 Atk / 8 Def  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Swords Dance  
- Glacial Lance  
- High Horsepower  

Hatterene (F) @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Psychic  
- Shadow Ball  
- Misty Explosion  

Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Foul Play  
- Recover  
- Teleport  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 252 HP / 4 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Double Iron Bash  
- Earthquake  
- Superpower  
- Thunder Punch  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
- Sunsteel Strike  
- Stone Edge  
- Earthquake  
- Trick Room