Need help of combinations of my beyblades

Hi can i ask what is the great combination from my beyblades?

I need combination from

- Ray Unicorno D125CS
- Rock Sagittario WD145SD (Rand. Booster)
- Burn Phoenix 135MS
- Poison Serpent SW145SD
- Storm Pegasis 105RF
- Earth Virgo GB145BS
- Lightning L Drago 100HF

Thanks.
'Build Me a Combo' thread, its like right up there dude.