Sleep Powder is the only one IMO. 75% hit rate and an expected 2+ turns of effect means it's a good gamble vs a stronger opponent, plus it's practical for catching Pokemon.
Well, that and Gen 1 Toxic + Leech Seed is pretty fun...
Sleep Powder is the only one IMO. 75% hit rate and an expected 2+ turns of effect means it's a good gamble vs a stronger opponent, plus it's practical for catching Pokemon.
Well, that and Gen 1 Toxic + Leech Seed is pretty fun...