Beedrill-Mega  
Ability: Adaptability  
Serious Nature  

Mewtwo-Mega-X  
Ability: Steadfast  
Serious Nature  

Rayquaza-Mega  
Ability: Delta Stream  
Serious Nature  

Slaking  
Ability: Truant  
Serious Nature  

Groudon-Primal  
Ability: Desolate Land  
Serious Nature  

Kartana  
Ability: Beast Boost  
Serious Nature