Tried tank build in Act 2.

Grasp - Rain of Corpses
Horrify - Frightening Aspect
Soul Harvest - Siphon (might consider Hex for teamplay)
Corpse Spiders - Spider Queen (low mana cost, but procs LoH and Bad Medicine)
Firebomb - Firepit
Spirit Walk - Healing Journey

Passives - Pierce the Veil, Bad Medicine, Jungle Fortitude (might reconsider Pierce for teamplay)

Can't remember the hard numbers but it's definitely around:
Armor - 5k +-
Resists - 580++ (Physical is 740++)
Regen - 580 per sec
LoH - 1.2k per hit
Dps - 9.9k (haha. Sucky, I know)
Hp - 26k (i think)

Yep. Rain of toads. Burning dogs and Big Stinker will proc heals as well. But I prefer Firepit coz it costs much less mana, so I don't have to use Vision Quest. So I can be more useful to the party instead of just focus on healing myself. So I can use skills to contribute, rather than just blowing cooldowns. Much more fun to me.

See something going after our DH or our Tanks getting beat? Horrify and then Grasp and Spider Queen to allow them time to retreat. Then you can bait them and Spirit Walk away.

See a wall of invulnerable mobs blocking the corridor? Spirit Walk and backstab!

Tanks getting mugged? Horrify a portion of the mobs to peel them off the tanks and then you Grasp, Spider and start Firepit and you hold those couple of mobs and let them beat on you instead. Best part about this is that I can still help kill the mobs attacking the tanks and heal myself at the same time.

Wat is loh? Hahaha

i can teach u simple build to win act 1, which cost u little money, which currently my wd is running on to, because it's easy and clear everything fast in act 1 including butcher, and able to clear act 2 the 3 map before zoltun but some elites cmi

my stats now is around
hp 28k (30k+ is good too)
armor 2.7k (enough for act 1)
all resist 200-250 (enough for act 1, more is better)
dps 15k (10k-15k is more than enough)
freeze 4.5% (most important, around 4% will be enough too)
blind 2.3%(optional, it's on my mojo)
stun 4% (second important, unless u got high dps, this can be optional)
fear 4%(optional, sometimes i use the helm with this proc when farming act 2)
LoH 630 (this is important stats but 600+ seems enough for me in act 1, more is better, get a cheap  dps 400-600 ceremonial knife with mana regen)
mana regen 49 (40-50 will do, important stats as u need it to spam acid rain, get a helm + mojo + ceremonial knife with mana regen)

the legendary skill build here
http://us.battle.net/d3/en/calculator/witc...;ZVU!caYYZZ

how to play:
keep 4 of ur skill on cd, spam acid rain when u see the mob are at far(which will be your main spam, freeze/stun most of the most and keeping ur life at max even tanking elites, unless molten exploding, arcane, fire chain etc u will need to run a bit), use zombie bear only when enemy have tough hp and close to u (it deal much more dps than your acid rain but it's unsafe because u dont get LoH with this skill)
my advice is, spam 1-3 acid rain when killing elites/boss, then spam 1-3 zombie bears, spam 1-3 acid rain again and repeat, this will ensure keeping ur hp at full while dealing more dps with bear

when ur pets are alive, u can spam more bear if need, ur aoe pet will gain LoH for you too so basically u will be at full hp too, ur pets will also proc stun/freeze etc for u by their aoe (fire dogs and poison garg)

why nobody build kite build, with bats? so effective!

^
use acid rain and u will be fine, it regen life much faster than rain of toads