Rayquaza-Mega @ Assault Vest  
Ability: Delta Stream  
EVs: 28 HP / 36 Atk / 4 Def / 188 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Extreme Speed  
- Earth Power  
- Overheat  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 44 HP / 20 Def / 188 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Moonblast  
- Dazzling Gleam  
- Geomancy  

Incineroar @ Safety Goggles  
Ability: Intimidate  
Level: 50  
EVs: 188 HP / 244 SpD / 76 Spe  
Careful Nature  
- U-turn  
- Roar  
- Flare Blitz  
- Fake Out  

Tapu Fini @ Wiki Berry  
Ability: Misty Surge  
EVs: 220 HP / 204 SpD / 84 Spe  
Calm Nature  
IVs: 0 Atk  
- Taunt  
- Icy Wind  
- Nature's Madness  
- Heal Pulse  

Amoonguss @ Focus Sash  
Ability: Regenerator  
Level: 50  
EVs: 236 HP / 76 Def / 196 SpD  
Calm Nature  
IVs: 0 Atk  
- Protect  
- Clear Smog  
- Spore  
- Rage Powder  

Gengar @ Ghostium Z  
Ability: Cursed Body  
Level: 50  
EVs: 96 HP / 44 Def / 112 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Bomb  
- Destiny Bond  
- Snatch