Mega Steelix squad

Steelix-Mega @ Steelixite
Ability: Sand Force
EVs: 248 HP / 56 Def / 204 SpD
Impish Nature
- Earthquake
- Heavy Slam
- Rest
- Sleep Talk

Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Scald
- Secret Sword
- Hydro Pump
- Hidden Power [Electric]

Kyurem-Black @ Icium Z
Ability: Teravolt
EVs: 252 Atk / 4 SpA / 252 Spe
Naughty Nature
- Freeze Shock
- Fusion Bolt
- Ice Beam
- Roost

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 180 Def / 16 SpD / 64 Spe
Bold Nature
IVs: 0 Atk
- Moonblast
- Nature's Madness
- Taunt
- Defog

Zapdos @ Leftovers
Ability: Pressure
EVs: 248 HP / 244 Def / 16 Spe
Bold Nature
IVs: 0 Atk
- Thunderbolt
- Heat Wave
- Hidden Power [Ice]
- Roost

Landorus-Therian (M) @ Rocky Helmet
Ability: Intimidate
EVs: 240 HP / 228 Def / 24 SpD / 16 Spe
Impish Nature
- Stealth Rock
- Earthquake
- Hidden Power [Ice]
- U-turn