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You should play Jenara, maybe instead of Quasali Pridemage because he´s not good against Control decks. I would play Steward of Valeron in place of Thornweald Archer because deathtouch is not so good imo. I would cut Spectral Procesion to add Psionic Blast or Bant Charm. Cheap counterspell can be Arcane Denial or maybe you can play Evasive Action.
That´s all
Z.
P.S. I´m sorry for my Engrish

Agree to Vesuva and Jaya, but not for others. For example, Phyrexian Scuta ist 5/5 for 4, so pretty. That same for Demigod or Liege. OK, i accept your opinion, but I really don´t know why you would cut ~fires and Rakdos Guildmage. I see, you never play this archetype. Demonfire and Banefire is quite good against counter-based control, and believe me, Ux controls are many everywhere. Ghost quarter is another way to get Maze of Ith or another aggro-hate lands off. But agree to add Shriekmaw. IMHO, i would cut Mirri, ´cause SoFI is better. That´s all.
Zephyr

IMHO, Krosan Tusker is missing. It is just common card, but it stabilize your manabase and draw a card, and in late game you can play it like 6/5 killer. I think, he´s good in any mid-game deck with gree.n

1. Why you don´t play Shriekmaw? It´s very good piece to Intuition or Gifts (LftL+Volrath´s Stronghold+any crt to intuition, LftL+Volrath´s Stronghold+ Regrowth+ any crt to Gifts)
2. Where is Putrefy, Mortify, Smother and Vindicate? I play many builds of Survival and these cards is must have.
3. If you would include Psychatog combo, you must play Corpse Dance and Mystical Teachings to tutor Dance. If you don´t play corpse dance, you can´t attack with Psychatog and you don´t have reason to play Upheavel.
4. Masticore? It´s "Chain Gun", in late-game you can´t lose with Masta.
5. Why not Idylic Tutor? It´s quite good to find survival (you can search for bitter too)
6. Only one grave hate? It´s very few for highlander. Maybe in your meta, you don´t need more than one piece.
7. Play Krovikan Horror and Squee, Goblin Nabob. Both is very good to Masta or to Survival.
Look on my build of UGBWSA:

// Creatures
    1 [FNM] Wonder
    1 [UD] Yavimaya Elder
    1 [DIS] Loaming Shaman
    1 [TSP] Harmonic Sliver
    1 [AL] Krovikan Horror
    1 [MR] Solemn Simulacrum
    1 [EX] Spike Weaver
    1 [TE] Tradewind Rider
    1 [EX] Wood Elves
    1 [UL] Deranged Hermit
    1 [AP] Spiritmonger
    1 [UD] Masticore
    1 [LRW] Shriekmaw
    1 [UD] Academy Rector
    1 [RAV] Loxodon Hierarch
    1 [SHM] Vexing Shusher
    1 [A] Birds of Paradise
    1 [MI] Wall of Roots
    1 [6E] Llanowar Elves
    1 [IA] Fyndhorn Elves
    1 [US] Gilded Drake
    1 [SH] Wall of Blossoms
    1 [LRW] Wispmare
    1 [FD] Eternal Witness
    1 [SHM] Faerie Macabre
    1 [SHM] Kitchen Finks
    1 [VI] Uktabi Orangutan
    1 [FUT] Quagnoth
    1 [JU] Genesis
    1 [ON] Ravenous Baloth
    1 [CHK] Sakura-Tribe Elder
    1 [RAV] Dimir House Guard
    1 [ALA] Empyrial Archangel
    1 [LRW] Liliana Vess
    1 [MM] Squee, Goblin Nabob
    1 [VI] Man-o'-War

// Spells
    1 [EX] Recurring Nightmare
    1 [TE] Intuition
    1 [IN] Fact or Fiction
    1 [AP] Pernicious Deed
    1 [UD] Pattern of Rebirth
    1 [LRW] Primal Command
    1 [FD] Engineered Explosives
    1 [CST] Swords to Plowshares
    1 [TSP] Krosan Grip
    1 [CHK] Gifts Ungiven
    1 [MI] Enlightened Tutor
    1 [A] Demonic Tutor
    1 [MI] Worldly Tutor
    1 [CHK] Sensei's Divining Top
    1 [MOR] Idyllic Tutor
    1 [EX] Survival of the Fittest
    1 [LG] Sylvan Library
    1 [IN] Sterling Grove
    1 [US] Worship
    1 [RAV] Life from the Loam
    1 [LRW] Makeshift Mannequin
    1 [A] Regrowth
    1 [RAV] Shred Memory
    1 [FD] All Suns' Dawn
    1 [ON] Oversold Cemetery
    1 [REW] Mortify
    1 [REW] Putrefy
    1 [FNM] Smother
    1 [RAV] Faith's Fetters
    1 [AP]  Vindicate
Look on combo Tradewind Racer and Gilded Drake. It´s good, no?
PS: I see you don´t play Krosan Grip. Insert it into your deck 

Urborg it´s for Zombie Master. Plaguebearer is really good against tokens and Helldozer works against Maze of Ith, stronghold assassin is very strong and with Ashen Ghoul it´s satanic. Laquatus champion is large finisher, he win many games. For infestation - i think two cards for 2/2 creep is bad deal. With cards like Rootwalla or another cards with madness it´s strong, but i won´t discard two cards for nothing.
I think Tendrils are better, ´cause Consume Spirit is uneffective in early game. My life is running down very fast, because this i won´t play skeletel scrying. Maybe I can put in Dark Confidant, but then i must eliminate cards with high CC. I think my curve is too low for coffers and wire. Mind Sludge is quite good against controls, persecute too (and I like the pic of persecute ´cause that girl looks like princess from the Naboo from the Star Wars ). I don´t think 32 lands are good, many times i have mana screw and lower numbers of lands isn´t right. Liliana and Lord is "nobrainer auto-include". I´ll test the changes, then I´ll write result.

[Zombie Master 1 [SC] Undead Warchief 1 [SHM] Murderous Redcap 1 [LRW] Shriekmaw 1 [LE] Infernal Caretaker 1 [UD] Masticore 1 [EX] Plaguebearer 1 [10E] Nantuko Husk 1 [US] Phyrexian Ghoul 1 [PS] Phyrexian Scuta 1 [ON] Undead Gladiator 1 [ON] Shepherd of Rot 1 [ON] Soulless One 1 [EVE] Stillmoon Cavalier 1 [CS] Stromgald Crusader 1 [SH] Stronghold Assassin 1 [REW] Hypnotic Specter 1 [CHK] Kokusho, the Evening Star 1 [TO] Laquatus's Champion 1 [FUT] Tombstalker// Spells 1 [DS] AEther Vial 1 [DS] Sword of Fire and Ice 1 [SC] Call to the Grave 1 [TSB] Bad Moon 1 [FNM] Smother 1 [TE] Sarcomancy 1 [LRW] Nameless Inversion 1 [TSP] Sudden Death 1 [RAV] Last Gasp 1 [TSP] Tendrils of Corruption 1 [SHM] Corrupt 1 Dark Ritual 1 [FNM] Tormod's Crypt 1 [FNM] Duress 1 [9E] Phyrexian Arena 1 Demonic Tutor 1 [LRW] Thoughtseize 1 [MI] Stupor 1 [FE] Hymn to Tourach (2) 1 [FNM] Chainer's Edict 1 [TE] Diabolic Edict 1 Winter Orb 1 [FUT] Slaughter Pact 1 [CHK] Sensei's Divining Top 1 [ON] Oversold Cemetery 1 [MM] Vendetta 1 [OD] Ghastly Demise 1 [LRW] Profane Command 1 [TO] Mind Sludge 1 [US] Persecute 1 [VI] Funeral Charm 1 [MOR] Mind Shatter 1 [ALA] Bone SplintersStrategy is simple: Fast attackers (sarcomancy, carnophage, carrion feeder, etc.), kills (about 20 pieces) and some cards to lategame like Helldozer, Profane Command or Laquataus Champion. Maybe I can insert cards like Dusk Urchins, but I would eliminate nonzombie creatures.Discuss]

This is my build of MB zombies:

// Deck file for Magic Workstation (http://www.magicworkstation.com)

// Lands
    1 [AQ] Mishra's Factory (2)
    1 [MOR] Mutavault
    1 [TE] Wasteland
    1 [PLC] Urborg, Tomb of Yawgmoth
    1 [SH] Volrath's Stronghold
    29 [GUR] Swamp

// Creatures
    1 [LE] Gempalm Polluter
    1 [FUT] Korlash, Heir to Blackblade
    1 [RAV] Helldozer
    1 [LE] Graveborn Muse
    1 [AP] Grave Defiler
    1 [SC] Cabal Interrogator
    1 [ALA] Fleshbag Marauder
    1 [ALA] Death Baron
    1 [FNM] Carrion Feeder
    1 [EX] Carnophage
    1 [SC] Vengeful Dead
    1 [ALA] Viscera Dragger
    1 [FNM] Withered Wretch
    1 [FUT] Yixlid Jailer
    1 Zombie Master
    1 [SC] Undead Warchief
    1 [SHM] Murderous Redcap
    1 [LRW] Shriekmaw
    1 [LE] Infernal Caretaker
    1 [UD] Masticore
    1 [EX] Plaguebearer
    1 [10E] Nantuko Husk
    1 [US] Phyrexian Ghoul
    1 [PS] Phyrexian Scuta
    1 [ON] Undead Gladiator
    1 [ON] Shepherd of Rot
    1 [ON] Soulless One
    1 [EVE] Stillmoon Cavalier
    1 [CS] Stromgald Crusader
    1 [SH] Stronghold Assassin
    1 [REW] Hypnotic Specter
    1 [CHK] Kokusho, the Evening Star
    1 [TO] Laquatus's Champion
    1 [FUT] Tombstalker

// Spells
    1 [DS] AEther Vial
    1 [DS] Sword of Fire and Ice
    1 [SC] Call to the Grave
    1 [TSB] Bad Moon
    1 [FNM] Smother
    1 [TE] Sarcomancy
    1 [LRW] Nameless Inversion
    1 [TSP] Sudden Death
    1 [RAV] Last Gasp
    1 [TSP] Tendrils of Corruption
    1 [SHM] Corrupt
    1 Dark Ritual
    1 [FNM] Tormod's Crypt
    1 [FNM] Duress
    1 [9E] Phyrexian Arena
    1 Demonic Tutor
    1 [LRW] Thoughtseize
    1 [MI] Stupor
    1 [FE] Hymn to Tourach (2)
    1 [FNM] Chainer's Edict
    1 [TE] Diabolic Edict
    1 Winter Orb
    1 [FUT] Slaughter Pact
    1 [CHK] Sensei's Divining Top
    1 [ON] Oversold Cemetery
    1 [MM] Vendetta
    1 [OD] Ghastly Demise
    1 [LRW] Profane Command
    1 [TO] Mind Sludge
    1 [US] Persecute
    1 [VI] Funeral Charm
    1 [MOR] Mind Shatter
    1 [ALA] Bone Splinters

Strategy is simple: Fast attackers (sarcomancy, carnophage, carrion feeder, etc.), kills (about 20 pieces) and some cards to lategame like Helldozer, Profane Command or Laquataus Champion. Maybe I can insert cards like Dusk Urchins, but I would eliminate nonzombie creatures.
Discuss