Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Substitute  
- Endeavor  

Tapu Lele @ Choice Specs  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Psyshock  
- Focus Blast  
- Moonblast  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 56 HP / 196 Def / 4 SpD / 252 Spe  
Timid Nature  
IVs: 19 Atk  
- Swords Dance  
- Leaf Blade  
- Sacred Sword  
- Defog  

Mamoswine @ Expert Belt 
Ability: Thick Fat  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Earthquake  
- Stealth Rock  
- Icicle Crash  
- Ice Shard

Hawlucha @ Psychic Seed  
Ability: Unburden  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- High Jump Kick  
- Acrobatics  
- Stone Edge  
- Swords Dance  

Toxapex @ Eject Button  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Haze  
- Recover