Ampharos-Mega @ Ampharosite  
Ability: Mold Breaker  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dragon Pulse  
- Focus Blast  
- Hidden Power [Ice]  

Hatterene (F) @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Psyshock  
- Mystical Fire  
- Healing Wish  

Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Thunderbolt  
- Teleport  
- Recover  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Double Iron Bash  
- Superpower  
- Thunder Punch  
- Ice Punch  

Crawdaunt @ Life Orb  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Knock Off  
- Crabhammer  
- Aqua Jet  
- Swords Dance  

Cresselia (F) @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Lunar Dance  
- Trick Room  
- Toxic  
- Moonblast