Grassium Heatran + Banded Zygarde Balanced Team

Scizor-Mega @ Scizorite
Ability: Technician
EVs: 248 HP / 96 Def / 164 SpD
Impish Nature
- Bullet Punch
- U-turn
- Defog
- Roost

Zygarde @ Choice Band
Ability: Aura Break
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Thousand Arrows
- Outrage
- Extreme Speed
- Iron Tail

Amoonguss @ Black Sludge
Ability: Regenerator
EVs: 248 HP / 144 Def / 116 SpD
Calm Nature
IVs: 0 Atk
- Spore
- Giga Drain
- Clear Smog
- Hidden Power [Fire]

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

Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Surf
- Secret Sword
- Hydro Pump
- Icy Wind

Heatran @ Grassium Z
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Stealth Rock
- Magma Storm
- Earth Power
- Solar Beam