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

Ho-Oh @ Choice Band
Ability: Regenerator
EVs: 252 Atk / 243 Def / 13 Spe
Adamant Nature
- Brave Bird
- Sacred Fire
- Earthquake
- Sleep Talk

Mewtwo @ Leftovers
Ability: Unnerve
EVs: 250 HP / 80 Def / 178 Spe
Timid Nature
- Will-O-Wisp
- Taunt
- Psystrike
- Recover

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 252 Def
Relaxed Nature
IVs: 0 Spe
- Leech Seed
- Gyro Ball
- Protect
- Stealth Rock

Motherfucker (Kangaskhan) (F) @ Kangaskhanite
Ability: Scrappy
Happiness: 0
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Fake Out
- Power-Up Punch
- Frustration
- Sucker Punch

Arceus-Water @ Splash Plate
Ability: Multitype
EVs: 248 HP / 164 SpD / 96 Spe
Timid Nature
- Will-O-Wisp
- Judgment
- Defog
- Recover