Surprise (Mewtwo-Mega-X) @ Choice Scarf  
Ability: Download  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Photon Geyser  
- Close Combat  
- Spectral Thief  
- Trick  

Windy (Rayquaza-Mega) @ Choice Specs  
Ability: Aerilate  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Boomburst  
- Volt Switch  
- Draco Meteor  
- Moongeist Beam  

None Shall Pass (Zygarde-Complete) @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 SpA / 0 Spe  
- Shore Up  
- Haze  
- U-turn  
- Encore  

Charge (Aegislash) @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 SpA / 0 Spe  
- Nuzzle  
- U-turn  
- Rapid Spin  
- Sunsteel Strike  

Boom (Diancie-Mega) @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Light of Ruin  
- Head Smash  
- Stealth Rock  
- U-turn  

Burst (Necrozma-Dusk-Mane) @ Ultranecrozium Z  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lonely Nature  
- Shell Smash  
- Photon Geyser  
- Power Trip  
- Close Combat