Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 160 Def / 96 SpD  
Calm Nature  
- Knock Off  
- Moonblast  
- Soft-Boiled  
- Thunder Wave  

Corviknight @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 184 Def / 72 SpD  
Impish Nature  
- Defog  
- Body Press  
- U-turn  
- Roost  

Slowking @ Psychium Z  
Ability: Regenerator  
EVs: 252 HP / 200 Def / 56 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Future Sight  
- Slack Off  
- Teleport  

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

Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Weather Ball  
- Scorching Sands  
- Defog  
- Roost  

Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Earthquake  
- U-turn  
- Stealth Rock  
- Toxic