Blunder

Scolipede @ Buginium Z
Ability: Speed Boost
- Swords Dance
- Aqua Tail
- Megahorn
- Poison Jab

Volcanion @ Leftovers
Ability: Water Absorb
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Earth Power
- Fire Blast
- Steam Eruption
- Substitute

Aerodactyl @ Aerodactylite
Ability: Pressure
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Aerial Ace
- Ice Fang
- Stone Edge
- Hone Claws

Chansey @ Eviolite
Ability: Natural Cure
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Seismic Toss
- Soft-Boiled
- Stealth Rock
- Toxic

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Hidden Power [Fire]
- Giga Drain
- Focus Blast
- Sludge Bomb

Greninja @ Choice Specs
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Spikes
- Hydro Pump
- Dark Pulse
- Water Shuriken