Need Help on my MSN deck

[Smackdown_Gaming]

Pokemon
3x Onix
3x Steelix ex
3x Beldum
2x Metang
3x Metagross (dx)
2x Nidaoran
1x Nidorina
2x Nidoqueen
4x Holon's Castform
1x Holon's Magnemite

Trainers
4x Transceiver
4x Mentor
2x Adventurer
2x Researcher
1x Scientist
2x Copycat
4x Windstorm
2x Switch
4x Rare Candy

Energys
7x Psychic
4x Metal

Is there anything that needs to be done ?
thanks

 

[pichuman]

take out a steelix ex line and then add in a Latios* and a Farmer

 

[Rambo1000]

-1 adventurer
-1/1 steelix
+1 beldum d
+1 latias*
+1 holon farmer

-1 windstorm
-1 psychic
+1 latios ex d
+1 latias d hp

 

[Smackdown_Gaming]

but i kinda like the 3-3 line of Steelix ......
LMK
thanks

 

[Rambo1000]

if you like it then keep it. i never use more than 1 in any game so 2-2 is plenty for me, but we probably have different playing styles. 4 beldums are essential though