Nihilego @ Poisonium Z  
Ability: Beast Boost  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Sludge Wave  
- Acid Spray  
- Hidden Power [Ground]  

Sableye-Mega (M) @ Sablenite  
Ability: Prankster  
Shiny: Yes  
EVs: 248 HP / 176 Def / 84 SpD  
Calm Nature  
- Metal Burst  
- Foul Play  
- Will-O-Wisp  
- Recover  

Mew @ Mewnium Z  
Ability: Synchronize  
EVs: 104 HP / 152 SpA / 252 Spe  
Timid Nature  
- Fake Out  
- Psychic  
- Overheat  
- Nasty Plot