Garchomp-Mega @ Garchompite  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Fire Fang  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 192 Def / 64 SpD  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Slack Off  
- Whirlwind  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 40 Def / 216 SpD  
Calm Nature  
- Scald  
- Toxic Spikes  
- Recover  
- Knock Off  

Magnezone @ Electrium Z  
Ability: Magnet Pull  
EVs: 128 HP / 216 SpA / 164 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Thunderbolt  
- Flash Cannon  
- Hidden Power [Fire]  

Latias @ Leftovers  
Ability: Levitate  
EVs: 64 HP / 192 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Healing Wish  
- Psychic  
- Defog  
- Ice Beam  

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