CHECKMATE (Altaria-Mega) @ Altarianite  
Ability: Pixilate  
Happiness: 0  
EVs: 52 HP / 252 Atk / 204 Spe  
Jolly Nature  
- Dragon Dance  
- Frustration  
- Earthquake  
- Roost  

Magnezone @ Electrium Z  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk / 30 Spe  
- Substitute  
- Thunderbolt  
- Hidden Power [Fire]  
- Flash Cannon  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 152 SpD / 112 Spe  
Jolly Nature  
- Earthquake  
- Defog  
- U-turn  
- Roost  

Slowbro @ Colbur Berry  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Future Sight  
- Body Press  
- Slack Off  
- Teleport  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 28 Def / 228 SpD  
Careful Nature  
- Stealth Rock  
- Knock Off  
- Iron Head  
- Leech Seed  

Tapu Lele @ Choice Scarf  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psyshock  
- Focus Blast  
- Aromatherapy  
- Moonblast