Castform (F) @ Sitrus Berry  
Ability: Forecast  
Tera Type: Normal  
EVs: 252 HP / 104 SpD / 152 Spe  
Calm Nature  
IVs: 0 Atk  
- Protect  
- Blizzard  
- Tailwind  
- Thunder Wave  

Sceptile-Mega @ Sceptilite  
Ability: Lightning Rod  
Tera Type: Grass  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Leaf Storm  
- Focus Blast  
- Protect  

Barraskewda @ Choice Band  
Ability: Swift Swim  
Tera Type: Water  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Ice Fang  
- Liquidation  
- Close Combat  
- Flip Turn  

Aurorus @ Light Clay  
Ability: Snow Warning  
Tera Type: Rock  
EVs: 16 HP / 252 Def / 136 SpD / 104 Spe  
Calm Nature  
IVs: 0 Atk  
- Blizzard  
- Stealth Rock  
- Aurora Veil  
- Freeze-Dry  

Darkrai @ Wide Lens  
Ability: Bad Dreams  
Tera Type: Dark  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Blizzard  
- Dark Pulse  
- Hypnosis  
- Protect  

Thundurus (M) @ Sitrus Berry  
Ability: Prankster  
Hidden Power: Ice  
Tera Type: Electric  
EVs: 196 HP / 216 SpD / 96 Spe  
Gentle Nature  
IVs: 0 Atk  
- Wildbolt Storm  
- Weather Ball  
- Thunder Wave  
- Taunt