This is about right, but from experience:
1) I would settle for having a f. soldier on your headgear instead of a Kiel or Maya purple.
2) For maximum damage, the better card combination would be tg/tg/incant/civil servant (or swap the incant for thana if you have one). You can also use the incant dagger in addition with an ice pick.
3) Have an alternative dagger with WS/D. Warlord/Valkyrie r./(another card of your preference).
4) Have an alternative armor with Puppetring/Tao (for stone curse).
5) I would default GTB as risky as it seems. As a ninja, you rarely get touched anyways. The biggest threat lies in Classes that can penetrate through your Cicada such as Sinx's Meteor Assault and Creator's Acid Bomb.
ADDITIONAL TIPS:
1) Use Throw Kunai with your WS/D. Warlord/Valkyrie r./(another card of your preference) dagger. It is more efficient than trying to melee the enemy.
2) Use the Fire Formation with Throw Kunai for the best stalling technique.
3) Use the Ice Meteor skill (forgot the name) on people that freeze (no gr, FS PWNT).
4) In addition to FS build, I found that going hybrid with FS/Magic is most efficient. I recommend experimenting with your stats.
5) Every 40 HP=100 Dmg (I think).
(and obviously because HP=Dmg, vit belts would be your choice. However, when i played hybrid ninja, I settled for ints.