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

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