Sawk (M) @ Psychium Z  
Ability: Sturdy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Low Sweep  
- Zen Headbutt  
- Protect  /  Bulk Up  
- Counter  

Gallade (M) @ Psychium Z  
Ability: Steadfast  
EVs: 252 Atk / 252 Def / 4 Spe  
Impish Nature  
- Zen Headbutt  
- Shadow Sneak  
- Bulk Up  
- Close Combat  

Keldeo @ Waterium Z  
Ability: Justified  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Hydro Pump  
- Aqua Jet  
- Substitute  
- Endeavor  

Sawk:
    Wins:
        Blaziken
        Pheromosa
        Riolu 
        Breloom
        Cobalion
        Machamp
        Virizion
        Terrakion
        Infernape
        Throh
  
    50/50s:
        Opposing Sawk
        

Gallade:
    252 def with impish allows you to live an opposing gallade z-zen headbutt and ko with your own. You don't sacrifice any matchups by using bold over adamant.
    Wins:
         Gallade
         Medicham
         Riolu
         Cobalion
         Machamp
         Terrakion
         Throh

     70/30: Sawk
Keldeo:
    Wins:
         Mega-Medicham
         Riolu
         Machamp

Team Weaknesses:

Kommo-o @ Dragonium Z
   The team really struggles against Dragonium Z Kommo-o. However Sawk can defeat it.

Sawk
   Sawk can defeat Gallade with counter.