Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Stored Power  
- Roost  
- Ice Beam  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 248 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Moonblast  
- Flamethrower  
- Soft-Boiled  

Slowbro @ Leftovers  
Ability: Regenerator  
EVs: 248 HP / 96 Def / 164 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Protect  
- Toxic  
- Slack Off  

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 176 HP / 252 SpD / 80 Spe  
Jolly Nature  
- Stealth Rock  
- Rapid Spin  
- Earthquake  
- Iron Head  

Toxapex @ Shed Shell  
Ability: Regenerator  
EVs: 248 HP / 92 Def / 168 SpD  
Sassy Nature  
- Scald  
- Knock Off  
- Recover  
- Toxic  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 160 Def / 100 Spe  
Bold Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Thunderbolt  
- Calm Mind  
- Pain Split