advice please

[Jziffra]

My brother is building Gardevoir Dusknoir. This is what he's at:

4 Ralts
3 Kirlia
2 Gardevoir
2 Gallade
1 Gardevoir X
2 Duskull (SW)
1 Dusclops
2 Dusknoir (1 DP, 1 PR)
1 Dusknoir X
2 Baltoy
2 Claydol
4 Roseanne's Research
3 Bebe's Search
3 Professor Rowan
4 Rare Candy
1 Luxury
2 Switch
1 Warp Point
3 Night Maintenance
2 Moonlight Stadium
4 Fighting Energy
11 Psychic Energy

What should he change? Any help would be appreciated.