I feel seed is too passive

Archeops @ Expert Belt
Ability: Defeatist
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Pluck
- Earth Power
- Heat Wave
- U-turn

Mesprit @ Leftovers
Ability: Levitate
EVs: 120 HP / 208 SpA / 180 Spe
Modest Nature
IVs: 0 Atk
- Substitute
- Calm Mind
- Psyshock
- Signal Beam

Lanturn @ Assault Vest
Ability: Volt Absorb
EVs: 252 SpA / 136 SpD / 120 Spe
Modest Nature
IVs: 0 Atk
- Scald
- Volt Switch
- Ice Beam
- Thunderbolt

Audino-Mega @ Audinite
Ability: Regenerator
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Healing Wish
- Fire Blast
- Dazzling Gleam
- Psychic

Ferroseed @ Eviolite
Ability: Iron Barbs
EVs: 248 HP / 148 Def / 112 SpD
Relaxed Nature
- Stealth Rock
- Gyro Ball
- Leech Seed
- Thunder Wave

Hitmonchan @ Life Orb
Ability: Iron Fist
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Drain Punch
- Mach Punch
- Ice Punch
- Rapid Spin