Grassy Terrain team

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Magma Storm
- Flash Cannon
- Earth Power
- Stealth Rock

Clefable @ Life Orb
Ability: Magic Guard
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Moonblast
- Calm Mind
- Flamethrower
- Soft-Boiled

Venusaur @ Venusaurite
Ability: Chlorophyll
EVs: 248 HP / 252 SpA / 8 Spe
Modest Nature
IVs: 0 Atk
- Grassy Terrain
- Giga Drain
- Sludge Bomb
- Synthesis

Mew @ Mental Herb
Ability: Synchronize
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Explosion
- Defog
- Trick Room
- Taunt

Scizor @ Leftovers
Ability: Technician
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Bullet Punch
- Bug Bite
- Superpower
- Swords Dance

Volcanion @ Choice Specs
Ability: Water Absorb
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Steam Eruption
- Fire Blast
- Earth Power
- Sludge Bomb