Magearna @ Weakness Policy  
Ability: Soul-Heart  
EVs: 252 HP / 48 SpD / 208 Spe  
Calm Nature  
IVs: 0 Atk  
- Baton Pass  
- Shift Gear  
- Fleur Cannon  
- Calm Mind  

Dracovish @ Life Orb  
Ability: Strong Jaw  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Fishious Rend  
- Earthquake  
- Crunch  
- Low Kick  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def  
Bold Nature  
IVs: 0 Atk  
- Light Screen  
- Reflect  
- Taunt  
- Thunder Wave  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Wave  
- Recover  
- Flamethrower  
- Dynamax Cannon  

Marshadow  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Poltergeist  
- Close Combat  
- Bulk Up  

Zekrom @ Leftovers  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Substitute  
- Dragon Dance  
- Bolt Strike  
- Dragon Claw