Calyrex-Ice @ Heavy-Duty Boots  
Ability: As One (Glastrier)  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Swords Dance  
- High Horsepower  
- Glacial Lance  

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

Dracovish @ Choice Band  
Ability: Strong Jaw  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Fishious Rend  
- Outrage  
- Crunch  
- Psychic Fangs  

Magearna @ Life Orb  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Volt Switch  
- Fleur Cannon  
- Flash Cannon  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Sunsteel Strike  
- Swords Dance  
- Earthquake  

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