Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
IVs: 0 Atk  
- Spikes  
- Leech Seed  
- Iron Defense / Curse
- Body Press / Knock Off

Eternatus @ Black Sludge / Heavy-Duty Boots
Ability: Pressure  
EVs: 252 HP / 164 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Recover  
- Toxic