Slaking @ Leftovers  
Ability: Truant  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Substitute  
- Pursuit  
- Earthquake  
- Return  

Cofagrigus @ Eject Button  
Ability: Mummy  
EVs: 252 HP / 196 Def / 60 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Will-O-Wisp  
- Hex  
- Pain Split  

Landorus-Therian @ Focus Sash  
Ability: Intimidate  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Explosion  
- Earthquake  
- Swords Dance  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- U-turn  
- Hidden Power [Ice]  
- Roost  

Altaria-Mega @ Altarianite  
Ability: Pixilate  
EVs: 88 HP / 252 Atk / 168 Spe  
Adamant Nature  
- Dragon Dance  
- Facade  
- Earthquake  
- Roost  

Skarmory @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 8 Def / 248 SpD  
Careful Nature  
- Spikes  
- Whirlwind  
- Brave Bird  
- Roost