Swampert-Mega @ Swampertite  
Ability: Damp  
Tera Type: Water  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Earthquake  
- Waterfall  
- Ice Punch  
- Protect  

Kingdra @ Waterium Z  
Ability: Swift Swim  
Tera Type: Water  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Muddy Water  
- Icy Wind  
- Protect  

Pelipper @ Eject Button  
Ability: Drizzle  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Bold Nature  
IVs: 0 Atk  
- Tailwind  
- Wide Guard  
- Weather Ball  
- Helping Hand  

Tornadus @ Focus Sash  
Ability: Prankster  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tailwind  
- Bleakwind Storm  
- Rain Dance  
- Protect  

Archaludon @ Assault Vest  
Ability: Stamina  
Tera Type: Grass  
EVs: 236 HP / 16 SpA / 236 SpD / 20 Spe  
Modest Nature  
IVs: 0 Atk  
- Electro Shot  
- Flash Cannon  
- Body Press  
- Dragon Pulse  

Amoonguss @ Sitrus Berry  
Ability: Regenerator  
Tera Type: Fire  
EVs: 252 HP / 176 Def / 80 SpD  
Bold Nature  
IVs: 0 Atk / 28 Spe  
- Sludge Bomb  
- Pollen Puff  
- Rage Powder  
- Spore