Silvally-Ground @ Ground Memory  
Ability: RKS System  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Surf  
- Grass Pledge  
- Ice Beam  
- Metal Sound  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Yawn  
- Protect  
- Waterfall  
- Counter  

Diggersby @ Choice Band  
Ability: Huge Power  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Ice Punch  
- Earthquake  
- Giga Impact  
- Superpower