It looks good but is needs improvement
Beedrill-Mega (M) @ Beedrillite
Ability: Swarm
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- protect
- Drill Run
- Poison Jab
- X-Scissor
Mimikyu (F) @ life orb
Ability: Disguise
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- shadow claw
- Play Rough
- Shadow Sneak
Toxapex (M) @ Black Sludge
Ability: Merciless
Shiny: Yes
EVs: 252 HP / 128 Def / 128 SpD
Calm Nature
IVs: 0 Atk
- Recover
- scald
- bunker bunk
- Toxic Spikes
Whimsicott @ leftover
Ability: Prankster
Level: 100
Shiny: Yes
- Leech Seed
- Substitute
- moonblast
- stun spore
Garchomp @ choice scarf
Ability: rough skin
EVs: 252 Attack / 252 speed / 4 hp
Jolly Nature
IVs: 0 Atk
- Earthquake
- outrage
- dragon claw
- stone edge
Heatran @ Leftovers
Ability: Flash Fire
Shiny: Yes
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- fire blast
- stealth rock
- toxic
- earth power