Froslass-Mega (F) @ Froslassite  
Ability: Snow Warning  
Tera Type: Ice  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blizzard  
- Shadow Ball  
- Aurora Veil  
- Nasty Plot  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Earthquake  
- Ice Spinner  
- Dragon Dance  

Magearna @ Leftovers  
Ability: Soul-Heart  
Tera Type: Water  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Volt Switch  
- Thunder Wave  
- Spikes  

Corviknight @ Rocky Helmet  
Ability: Pressure  
Tera Type: Flying  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Body Press  
- U-turn  
- Defog  
- Roost  

Garchomp @ Choice Scarf  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Outrage  
- Earthquake  
- Poison Jab  
- Stone Edge  

Darkrai @ Choice Specs  
Ability: Bad Dreams  
Tera Type: Dark  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Sludge Bomb  
- Thunderbolt  
- Focus Blast