Extreme Tier Shift

Fluffy (Furfrou) @ Leftovers
Ability: Fur Coat
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- U-turn
- Thunder Wave
- Return
- Sucker Punch

Frost (Regice) @ Leftovers
Ability: Clear Body
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Ice Beam
- Thunderbolt
- Thunder Wave
- Rock Polish

Cell (Duosion) @ Eviolite
Ability: Magic Guard
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Calm Mind
- Recover
- Psyshock
- Trick Room

Spark (Pikachu) @ Light Ball
Ability: Static
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Volt Tackle
- Knock Off
- Fake Out
- Brick Break

Paper (Dusclops) @ Eviolite
Ability: Pressure
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Pain Split
- Shadow Sneak
- Taunt
- Toxic

Psy (Mewtwo) @ Mewtwonite Y
Ability: Pressure
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Aura Sphere
- Energy Ball
- Ice Beam
- Psystrike