ENTER: MEGA STEELIX 2

Steelix-Mega @ Steelixite
Ability: Sturdy
EVs: 252 HP / 48 Atk / 40 Def / 168 SpD
Careful Nature
- Earthquake
- Heavy Slam
- Rest
- Sleep Talk

Stoutland @ Life Orb
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Return
- Superpower
- Wild Charge
- Crunch

Hippowdon @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 240 Def / 16 SpD
Impish Nature
- Stealth Rock
- Earthquake
- Slack Off
- Whirlwind

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

Tentacruel @ Assault Vest
Ability: Liquid Ooze
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Scald
- Rapid Spin
- Acid Spray
- Giga Drain

Zapdos @ Leftovers
Ability: Pressure
EVs: 248 HP / 228 Def / 32 Spe
Bold Nature
IVs: 0 Atk
- Discharge
- Heat Wave
- Hidden Power [Ice]
- Roost