Kommo-o @ Kommonium Z  
Ability: Soundproof  
EVs: 232 HP / 220 Def / 56 Spe  
Bold Nature  
- Taunt  
- Clanging Scales  
- Close Combat  
- Flamethrower

Greninja @ Choice Specs  
Ability: Protean  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Grass Knot  
- Ice Beam  
- Dark Pulse  

Magnezone @ Electrium Z  
Ability: Sturdy  
EVs: 80 HP / 176 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Zap Cannon  
- Metal Sound  
- Electroweb  
- Hidden Power [Ice]