Porygon-Z @ Custap Berry  
Ability: Adaptability  
EVs: 252 HP / 212 Def / 12 SpA / 16 SpD / 16 Spe  
Modest Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Endure  
- Hyper Beam  
- Nasty Plot  
- Hidden Power [Fire]  

Keldeo @ Choice Specs  
Ability: Justified  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA  
- Hydro Pump  
- Focus Blast  
- Hidden Power [Grass]  
- Icy Wind  

Arcanine @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Flare Blitz  
- Outrage  
- Close Combat  
- Extreme Speed