After some tries (sadly XD) i find heal totally useless.
1/3 str 2/3 int
Fireball 5/5
Timeshift 4/5 - not 3rd
Gale 4/5 - not 2nd or 4th, optional
Shield 4/5 - not 3rd
Masteries 10/10 gale & shield
Passives 5/5 str 5/5 int
Not enough points to use, but next will be Timeshift mastery for sure (IF i survive), and fireball is interesting too.
Good luck out there, immortals!