Ahh, these damn number ninjas.

Uxie - 8
Mesprit - 10
Azelf - 10
Dialga - 10
Palkia - 10
Heatran - 8 -
Regigigas - 10
Giratina - 10
Phione - 10
Manaphy - 10
Darkrai - 14
Shaymin - 18 +
Arceus - 14