Shuckle @ Mental Herb  
Ability: Sturdy  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Sticky Web  
- Stealth Rock  
- Encore  

Lucario @ Life Orb  
Ability: Steadfast  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Extreme Speed  
- Meteor Mash  
- Swords Dance  
- Close Combat  

Diggersby @ Choice Band  
Ability: Huge Power  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Gunk Shot  
- Foul Play  
- U-turn  
- Earthquake  

Thundurus-Therian (M) @ Life Orb  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Sludge Bomb  
- Sludge Wave  
- Nasty Plot  

Aegislash @ Weakness Policy  
Ability: Stance Change  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Head Smash  
- Swords Dance  
- King's Shield  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- Hyper Voice  
- U-turn  
- Thunder Wave