Ditto @ Choice Scarf/ Quick Claw
Ability: Imposter
EVs: 252 HP / 4 Atk / 252 Def
IVs: 30 Atk
Impish Nature
- Transform

Sylveon @ Leftovers
Ability: Pixilate
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Hyper Voice
- Wish
- Yawn
- Protect

Toxapex @ Rocky Helmet
Ability: Regenerator
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Scald
- Knock Off
- Recover
- Toxic Spikes

Heatran @ Leftovers / Air Balloon
Ability: Flash Fire
EVs: 252 HP / 124 SpD / 132 Spe
Calm Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Taunt
- Stealth Rock

Mandibuzz @ Heavy-Duty Boots
Ability: Overcoat
EVs: 248 HP / 8 Atk / 252 Def
Impish Nature
IVs: 0 Atk
- Defog
- Toxic/ U-Turn
- Foul Play
- Roost

Shedinja @ Heavy-Duty Boots/ Safety Goggles
Ability: Wonder Guard
EVs: 252 Atk / 252 Spe
Adamant Nature
IVs: 0 HP / 0 Def / 0 SpD
- Protect
- Toxic
- Shadow Sneak / Poltergeist
- Will-O-Wisp