Kommo-o @ Kommonium Z  
Ability: Soundproof  
EVs: 240 HP / 20 SpA / 104 SpD / 144 Spe  
Calm Nature  
- Clanging Scales  
- Flamethrower  
- Close Combat  
- Taunt  

Charizard-Mega-X @ Charizardite X  
Ability: Blaze  
EVs: 248 HP / 4 Atk / 8 Def / 48 SpD / 200 Spe  
Adamant Nature  
- Flame Charge  
- Flare Blitz  
- Outrage  
- Counter  

Deoxys-Speed @ Psychium Z  
Ability: Pressure  
EVs: 120 HP / 252 SpA / 136 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Psycho Boost  
- Shadow Ball  
- Taunt