Aerodactyl-Mega @ Aerodactylite  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Roost  
- Ice Fang  
- Fire Fang  
- Stone Edge  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
- Knock Off  
- Leaf Blade  
- Swords Dance  
- Smart Strike  

Tapu Bulu @ Choice Scarf  
Ability: Grassy Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Horn Leech  
- Wood Hammer  
- Superpower  
- Stone Edge  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 248 HP / 140 Def / 120 SpD  
Careful Nature  
- Stealth Rock  
- Stomping Tantrum  
- Whirlwind  
- Slack Off  

Reuniclus @ Rocky Helmet  
Ability: Magic Guard  
EVs: 252 HP / 244 Def / 12 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Psyshock  
- Thunder  
- Calm Mind  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 192 Def / 68 SpD  
Relaxed Nature  
IVs: 0 Atk / 19 Spe  
- Ice Beam  
- Volt Switch  
- Pain Split  
- Heart Swap