How to deal with tough Third Gen teams.

[Dark Violet Moon Ray]

Okay, I'd like to see how many of you would react against this Double Battle setup?

Front line:

Claydol: Earthquake, Bug Hidden Power, Explosion, Psybeam - Relaxed
Metagross: Meteor Mash, Explosion, Protect, Pursuit - Brave

Backburner:

Xatu: Psychic, Fly, Ice Hidden Power, Mimic - Hasty
Starmie: Surf, Cosmic Power, Recover, Grass Hidden Power - Timid
Gardevoir: Psychic, Calm Mind, Thunderbolt, Hypnosis - Hasty
Medicham: Bulk Up, Reversal, Rock Hidden Power, Recover - Hasty

[Gamefreak]

Read the rules please.