Ditto @ Choice Scarf  
Ability: Imposter  
Level: 50  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Transform  

Toxapex @ Black Sludge  
Ability: Regenerator  
Level: 50  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Scald  
- Poison Jab  
- Toxic Spikes  
- Recover  

Cresselia (F) @ Leftovers  
Ability: Levitate  
Level: 50  
EVs: 252 HP / 76 SpD / 180 Spe  
Careful Nature  
IVs: 0 Atk  
- Substitute  
- Calm Mind  
- Moonlight  
- Moonblast  

Urshifu-Rapid-Strike @ Life Orb  
Ability: Unseen Fist  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Surging Strikes  
- Thunder Punch  
- Ice Punch  

Dragonite @ Lum Berry  
Ability: Multiscale  
Level: 50  
EVs: 132 HP / 252 Atk / 4 Def / 4 SpD / 116 Spe  
Adamant Nature  
- Dual Wingbeat  
- Dragon Dance  
- Ice Punch  
- Roost  

Mimikyu @ Spell Tag  
Ability: Disguise  
Level: 50  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Phantom Force  
- Shadow Sneak  
- Play Rough