Zygarde-Complete @ Groundium Z  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Brave Nature  
IVs: 8 Spe  
- Shell Smash  
- Precipice Blades  
- Core Enforcer  
- Stored Power  

Zygarde-Complete @ Mental Herb  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Brave Nature  
IVs: 8 Spe  
- Shell Smash  
- Precipice Blades  
- Core Enforcer  
- Power Trip  

Yveltal @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Shell Smash  
- Revelation Dance  
- Anchor Shot  
- Shore Up  

Gengar-Mega @ Spooky Plate  
Ability: Speed Boost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Judgment  
- Spikes  
- Secret Sword  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Flash Fire  
EVs: 252 HP / 252 Atk / 192 Def / 252 SpA / 252 SpD / 64 Spe  
Brave Nature  
- Shell Smash  
- Power Trip  
- Close Combat  
- Photon Geyser  

Chansey (F) @ Lucky Punch  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- U-turn  
- Shore Up  
- Whirlwind  
- Topsy-Turvy