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

Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Teleport  
- Shadow Ball  
- Trick Room  
- Ice Beam  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Volt Switch  
- Fleur Cannon  
- Calm Mind  

Dracovish @ Choice Band  
Ability: Strong Jaw  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Fishious Rend  
- Outrage  
- Psychic Fangs  
- Crunch  

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

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