Dark/Life Speed/Lifegain deck (with new cards)

[Essence]

I just spent a half-hour slaughtering 11/12 T50 decks with this odd-looking but extremely fun Life/Darkness deck:

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7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ac 7ad 7ad 7ag 7ag 7ag 7ag 7ag 7ag 7ak 7am 7am 7an 7an 7an 7t9 7t9 7t9 7te 7te 8pt

The deck plays like a typical Life speed deck most of the time, with lots of fast Cockatrices dropping and getting pumped up on Epinephrine, and Feral Bonds triggering off of Cockatrices and Emerald Dragons.

The difference is of course in the darkness cards.  With only a Mark of Darkness, you have to be very careful when you play them, but the ability to Steal permanents is a great defense-breaker, and more importantly the two Liquid Shadows have amazing versatility.  They can be slapped on a Jade Dragon to give you 8 turns of +11 life/turn additional healing beyond the Feral Bond and Jade Staff, which is just phenomenal -- or, they can be used on an enemy 'skill' unit to essentially Lobotomize and eventually kill it -- perfect for that annoying Arctic Squid or Firefly Queen. 

Out of a dozen T50 games, I won 11, Mastered 5.  This deck crushes Rainbows in a bad way - with the revised Sundials only stopping attacks for one turn, and Adrenaline taking down Bone Walls easily, and Steal for the other defenses, it's like taking candy from a blind, crippled baby.  Other speed decks have trouble keeping up with the lifegain that happens at the same time as the speed beatdown comes.  The one loss I took was to an all-life Flying Morning Glory deck that featured Shard of Divinity+Miracle, and even that I brought down to 3 HP and no cards in hand before the 8-damage spam caught up with me.

[edit]Oh, and I tried it with Giant Frogs, etc., but it's just sweet to have a speed beatdown deck with absolutely no Otyugh fodder in it.   [/edit]

[PuppyChow]

Currently Liquid Shadow costs 7 (6 upgraded) in the trainer, so I doubt that deck would work now. It would have worked before when it costed 3 though .

[Essence]

Nope, it costed 6 when I used it just now.  That's what I mean about being really careful when you play the Darkness cards.

[Celidion]

This looks sexy.

[Bloodshadow]

Can you minimize this deck to 30 cards? I'd take out the Staff, one Tower, and one Cockatrice.

[Demagog]

This is almost the deck I created, before liquid shadow. Just take out those cards and you have it, except mine didn't have dragons or a staff, since you don't need those in a speed deck. I did other variations with pests as well though... *shrug*

Edit: Well I didn't notice the feral bonds either until just now... so further from my deck than I originally thought...

[Essence]

Can you minimize this deck to 30 cards? I'd take out the Staff, one Tower, and one Cockatrice.

I'd never remove the Staff.  It's too important to have a non-creature damage source for some circumstances, and the healing is huge.  If anything, I'd take out one Steal, one Tower, and one Cockatrice.