Shadowy Wands - Good or Bad build?

Hello, I would like to start a discussion about Wander. I decided to take shadow as a wand user, because he has the most important att speed notes close enough. I decided to use one wand with shield. As a primary defense i take Armor + ES. I have planned to use high phys wand, with some elemental damage.
Here is my current progress(lvl 30)

In future, i would use attack speed bobus from bandits followed by power charge at merciless.
60 points i plan to spend like this:

My plan for 80 SP is here:

100 points, here i started to boost shield defenses:

Full tree(112 points)

Skill usage:
Power Siphon + LMP + Faster Attacks + ? + ? + ?
Clarity + Reduced Mana
Wrath + Anger + Reduced Mana
Warlord's Mark + AoE + Increased Duration + Reduced Mana
Thinking about BM gem on something.
Advantages:
- Relative good Damage output with fast attacks
- Not relative expensive gear
- Good survivability provided with many life nodes + armor and ES
Disadvantages:
- Mana issues
- Problem with swarming monsters(like vall docks boss)

Check it, think about it. Im accepting any advantages about this. Thank you for viewing this post.

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After skimming over your final build link, Few things

166% max hp seems little low when you get towards endgame, something more along the lines of 200% or more e-shield would be ideal

And as you mentioned, dealing with mobs is tough, I ran a power siphon build before and fighting necros is very difficult

Here's a few tweaks I put in, there's plenty of room for improvement though

(heavily lightning based because shock stacks are great and did not include much cold damage because a shattered corpse means you can't proliferate)

Power siphon + lmp + elemental damage + proliferate + ?



Edited: threw some more hp in it because why not

Yea, didnt think about shock :)
I have changed full tree to look like this:

I still have some nodes on, because they provide good dmg boost and att speed boost.
IMO, power siphon+LMP+Faster Attacks+Ele prolif+added lightning?+life leech?