Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 224 Atk / 32 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Smart Strike  
- Defog  

Kommo-o @ Kommonium Z  
Ability: Soundproof  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Clanging Scales  
- Close Combat  
- Flamethrower  
- Stealth Rock  

Kingambit @ Leftovers  
Ability: Supreme Overlord  
EVs: 248 HP / 232 Atk / 20 SpD / 8 Spe  
Adamant Nature  
- Knock Off  
- Iron Head  
- Sucker Punch  
- Swords Dance  

Keldeo-Resolute @ Leftovers  
Ability: Justified  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Secret Sword  
- Substitute  
- Calm Mind  

Kyurem @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 56 HP / 200 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Freeze-Dry  
- Earth Power  
- Substitute  
- Roost  

Koffing @ Eviolite  
Ability: Levitate  
EVs: 248 HP / 148 Def / 104 SpD / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Will-O-Wisp  
- Pain Split  
- Toxic Spikes