How do you defeat Elite Four Lucian?

Elite Four Lucian Squad
Mr. Mime male Lv.59 Psychic weak against DARK, Bug
Medicham male Lv.60 Fighting/Psychic weak against FLYING, Ghost
Girafarig male Lv.59 Normal/Psychic weak against DARK,Bug
Alakazam male Lv.60 Psychic weak against DARK,Bug
Bronzong Lv.63 Steel/Psychic weak against FIRE, Ground yea but on platnium after mr.mime there is espeon lvl55 use dark on espeon

dont use flying types