SS Grass (Serperior)

Tangrowth @ Leftovers
Ability: Regenerator
EVs: 252 HP / 204 Def / 48 SpA
Bold Nature
IVs: 0 Atk
- Synthesis
- Giga Drain
- Hidden Power [Fire]
- Toxic

Shaymin-Sky @ Choice Scarf
Ability: Serene Grace
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Air Slash
- Seed Flare
- Dazzling Gleam
- Earth Power

Cradily @ Leftovers
Ability: Storm Drain
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Recover
- Rock Slide
- Stealth Rock
- Mirror Coat

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 68 Def / 188 SpD
Relaxed Nature
IVs: 0 Spe
- Leech Seed
- Protect
- Spikes
- Gyro Ball

Breloom @ Focus Sash
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Bullet Seed
- Mach Punch
- Rock Tomb
- Spore

Serperior (M) @ Leftovers
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Leaf Storm
- Substitute
- Hidden Power [Fire]
- Glare