Effective in what way? I need more info to answer this question.
psychic
Poison and Fighting.
FIRE ELECTRIC PSYCHIC
Ghost and psychic and bug type attacks
Water Type is super affective against claydol
Since Lugia is a Psychic/Flying type pokemon, I would try Ghost types and electric types. Ice types are also a good choice
Psychic and Ghost
water type
grass
ghost
Electric type
Fighting-type