Meet Lux the Gardevoir, Luna the Kirlia, and Liam the Ralts. Once upon a time had tried using strategies that didn't pan out so well. Now these defensive stat boosted Psychic/Fairy find themselves as breeding stock for stats and potential shines.

Lux was Defense trained and her main moveset is
Synchronize
Calm Mind
Physic
Moonblast

Luna was trained to have a balance between Defense and Sp.Defense leaning more to Sp.Defense her main moves are
Hypnosis
Protect
Psychic
Dream Eater

Liam wasn't trained to be a fighter, instead he was trained to pass down egg moves on the chance that future pokemon fall under the Amorphous egg group.
Charm
Imprison
Future Sight
Healing Pulse