Houndoom @ Choice Scarf  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Fire Blast  
- Dark Pulse  
- Hidden Power [Steel / Grass] / Toxic
- Pursuit / Destiny Bond

Houndoom @ Choice Specs  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Fire Blast  
- Dark Pulse  
- Hidden Power [Steel / Grass] / Toxic
- Overheat / Pursuit / Sucker Punch

Houndoom @ Darkinium Z  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Dark Pulse  
- Hidden Power [Steel / Grass]  
- Nasty Plot

Houndoom @ Life Orb  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Dark Pulse  
- Hidden Power [Steel / Grass] / Pursuit / Sucker Punch
- Nasty Plot

Houndoom @ Grassium Z
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Dark Pulse  
- Solar Beam
- Nasty Plot