Pokémon Crystal: Silver (Goldenrod Underground) (second video)

Steelix learned Sandstorm before this battle because I wanted to make sure Victreebel OHKOs Silver's Meganium.
My team:
Level 37 Gengar
Level 37 Steelix
Level 37 Espeon
Level 37 Victreebel
Level 37 Feraligatr