First off, Beedrill was my favorite Pokémon before ORAS, so I'm happy rn. Anyway, I've been using this set
All-Out-Attacker
Beedrill @Beedrillite
Jolly nature
4 hp, 252 atk, 252 speed
-Drill Run
-Fell Stinger
-X-scissor
-Poison Jab
-Drill run does well agains Marowak-alola, Tapu Koko, and...