My Actual Grass Mono

Shaymin-Sky @ Expert Belt
Ability: Serene Grace
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Air Slash
- Earth Power
- Psychic
- Seed Flare

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

Venusaur @ Venusaurite
Ability: Chlorophyll
EVs: 252 HP / 252 Def / 4 Spe
Bold Nature
- Sludge Bomb
- Hidden Power [Fire]
- Synthesis
- Amnesia

Ferrothorn @ Focus Sash
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 252 Def
Relaxed Nature
IVs: 0 Spe
- Leech Seed
- Stealth Rock
- Gyro Ball
- Thunder Wave

Rotom-Mow @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Volt Switch
- Leaf Storm
- Trick
- Will-O-Wisp

Shiftry @ Life Orb
Ability: Chlorophyll
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Sucker Punch
- Seed Bomb
- Rock Slide