Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 252 HP / 72 Atk / 184 Spe  
Adamant Nature  
- Protect  
- Rock Tomb  
- Crunch  
- Rock Slide  

Excadrill @ Groundium Z  
Ability: Sand Rush  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Protect  
- Drill Run  
- Iron Head  
- Swords Dance  

Politoed @ Waterium Z  
Ability: Drizzle  
EVs: 252 Def / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Detect  
- Hypnosis  
- Helping Hand  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Protect  
- Waterfall  
- Stomping Tantrum  
- Ice Punch