Latios-Mega (M) @ Latiosite  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Draco Meteor  
- Shadow Ball  
- Calm Mind  

Heatran @ Firium Z  
Ability: Flash Fire  
EVs: 172 HP / 252 SpD / 80 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Toxic  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 216 HP / 16 Atk / 136 Def / 132 SpD  
Careful Nature  
- Earthquake  
- Knock Off  
- U-turn  
- Defog  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 76 HP / 236 SpA / 196 SpD  
Modest Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Hidden Power [Fire]  
- Iron Head  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Recover  
- Toxic  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Smart Strike  
- Sacred Sword  
- Knock Off