Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 96 HP / 140 Def / 60 SpA / 212 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Voice  
- Psyshock  
- Taunt  
- Calm Mind  

Golem-Alola @ Choice Scarf  
Ability: Magnet Pull  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Stone Edge  
- Wild Charge  
- Earthquake  
- Fire Punch  

Toxapex (M) @ Eject Button  
Ability: Regenerator  
EVs: 248 HP / 24 SpA / 184 SpD / 52 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Haze  
- Recover  

Serperior (M) @ Grassium Z  
Ability: Contrary  
EVs: 96 HP / 172 SpA / 8 SpD / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Defog  
- Synthesis  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 32 Def / 8 SpA / 172 SpD / 48 Spe  
Calm Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Heart Swap  
- Pain Split  

Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 252 HP / 232 Def / 24 Spe  
Impish Nature  
- Earthquake  
- U-turn  
- Toxic  
- Stealth Rock