Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
{5}{B}{B}{B}
Army of the Damned
Sorcery
Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{2}{B}
Buried Alive
Sorcery
Search your library for up to three creature cards, put them into your graveyard, then shuffle.
{B}
Carrion Feeder
Creature - Zombie
Carrion Feeder can't block.
Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.
1 /
1
{1}{B}{B}
Cemetery Reaper
Creature - Zombie
Other Zombie creatures you control get +1/+1.
{2}{B}, {T}: Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.
2 /
2
--
Choked Estuary
Land
As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{U}
Compelling Deterrence
Instant
Return target nonland permanent to its owner's hand. Then that player discards a card if you control a Zombie.
{3}{B}
Corpse Augur
Creature - Zombie Wizard
When Corpse Augur dies, you draw X cards and you lose X life, where X is the number of creature cards in target player's graveyard.
4 /
2
{3}{B}{B}
Corpse Harvester
Creature - Zombie Wizard
{1}{B}, {T}, Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.
3 /
3
{U}{U}
Counterspell
Instant
Counter target spell.
--
Cradle of the Accursed
Land - Desert
{T}: Add {C}.
{3}, {T}, Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.
{3}{B}{B}
Crux of Fate
Sorcery
Choose one --
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures.
--
Crypt of Agadeem
Land
Crypt of Agadeem enters the battlefield tapped.
{T}: Add {B}.
{2}, {T}: Add {B} for each black creature card in your graveyard.
{B}
Cryptbreaker
Creature - Zombie
{1}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token.
Tap three untapped Zombies you control: You draw a card and you lose 1 life.
1 /
1
{X}{X}{B}
Dark Salvation
Sorcery
Target player creates X 2/2 black Zombie creature tokens, then up to one target creature gets -1/-1 until end of turn for each Zombie that player controls.
{1}{B}{B}
Death Baron
Creature - Zombie Wizard
Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.
2 /
2
{3}{B}{B}
Demonic Collusion
Sorcery
Buyback--Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Search your library for a card, put that card into your hand, then shuffle.
{2}{B}{B}
Diabolic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
--
Dimir Aqueduct
Land
Dimir Aqueduct enters the battlefield tapped.
When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{B}.
{3}
Dimir Cluestone
Artifact
{T}: Add {U} or {B}.
{U}{B}, {T}, Sacrifice Dimir Cluestone: Draw a card.
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{1}{U}{B}
Diregraf Captain
Creature - Zombie Soldier
Deathtouch
Other Zombie creatures you control get +1/+1.
Whenever another Zombie you control dies, target opponent loses 1 life.
2 /
2
{2}{B}
Diregraf Colossus
Creature - Zombie Giant
Diregraf Colossus enters the battlefield with a +1/+1 counter on it for each Zombie card in your graveyard.
Whenever you cast a Zombie spell, create a tapped 2/2 black Zombie creature token.
2 /
2
--
Dismal Backwater
Land
Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{2}{B}{B}
Dread Return
Sorcery
Return target creature card from your graveyard to the battlefield.
Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{X}{B}{B}
Dread Summons
Sorcery
Each player mills X cards. For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token.
{B}
Dread Wanderer
Creature - Zombie Jackal
Dread Wanderer enters the battlefield tapped.
{2}{B}: Return Dread Wanderer from your graveyard to the battlefield. Activate only as a sorcery and only if you have one or fewer cards in hand.
2 /
1
{2}{B}{B}
Endless Ranks of the Dead
Enchantment
At the beginning of your upkeep, create X 2/2 black Zombie creature tokens, where X is half the number of Zombies you control, rounded down.
{4}{B}{B}
Ever After
Sorcery
Return up to two target creature cards from your graveyard to the battlefield. Each of those creatures is a black Zombie in addition to its other colors and types. Put Ever After on the bottom of its owner's library.
--
Fetid Pools
Land - Island Swamp
({T}: Add {U} or {B}.)
Fetid Pools enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
{2}{B}
Fleshbag Marauder
Creature - Zombie Warrior
When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.
3 /
1
{3}{B}{B}
Ghoulcaller Gisa
Legendary Creature - Human Wizard
{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.
3 /
4
{2}{U}{B}
Gisa and Geralf
Legendary Creature - Human Wizard
When Gisa and Geralf enters the battlefield, mill four cards.
Once during each of your turns, you may cast a Zombie creature spell from your graveyard.
4 /
4
{1}{B}
Go for the Throat
Instant
Destroy target nonartifact creature.
{4}{B}{B}
Grave Titan
Creature - Giant
Deathtouch
Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.
6 /
6
{2}{B}{B}
Graveborn Muse
Creature - Zombie Spirit
At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies you control.
3 /
3
{B}
Gravecrawler
Creature - Zombie
Gravecrawler can't block.
You may cast Gravecrawler from your graveyard as long as you control a Zombie.
2 /
1
{3}{B}{B}
Gray Merchant of Asphodel
Creature - Zombie
When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
2 /
4
--
Halimar Depths
Land
Halimar Depths enters the battlefield tapped.
When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.
{3}{U}{B}
Havengul Lich
Creature - Zombie Wizard
{1}: You may cast target creature card in a graveyard this turn. When you cast it this turn, Havengul Lich gains all activated abilities of that card until end of turn.
4 /
4
{4}
Hedron Archive
Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Jwar Isle Refuge
Land
Jwar Isle Refuge enters the battlefield tapped.
When Jwar Isle Refuge enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{2}{B}{B}
Kalitas, Traitor of Ghet
Legendary Creature - Vampire Warrior
Lifelink
If a nontoken creature an opponent controls would die, instead exile that card and create a 2/2 black Zombie creature token.
{2}{B}, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas, Traitor of Ghet.
3 /
4
{5}{B}{B}
Kindred Dominance
Sorcery
Choose a creature type. Destroy all creatures that aren't of the chosen type.
{4}{B}{B}
Life's Finale
Sorcery
Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.
{3}{B}{B}
Liliana's Mastery
Enchantment
Zombies you control get +1/+1.
When Liliana's Mastery enters the battlefield, create two 2/2 black Zombie creature tokens.
{3}{B}{B}
Liliana, Death's Majesty
Legendary Planeswalker - Liliana
+1: Create a 2/2 black Zombie creature token. Mill two cards.
-3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.
-7: Destroy all non-Zombie creatures.
L:
5
{1}{B}{B}
Liliana, the Last Hope
Legendary Planeswalker - Liliana
+1: Up to one target creature gets -2/-1 until your next turn.
-2: Mill two cards, then you may return a creature card from your graveyard to your hand.
-7: You get an emblem with "At the beginning of your end step, create X 2/2 black Zombie creature tokens, where X is two plus the number of Zombies you control."
L:
3
{2}{B}
Lord of the Accursed
Creature - Zombie
Other Zombies you control get +1/+1.
{1}{B}, {T}: All Zombies gain menace until end of turn.
2 /
3
{1}{B}{B}
Lord of the Undead
Creature - Zombie
Other Zombie creatures get +1/+1.
{1}{B}, {T}: Return target Zombie card from your graveyard to your hand.
2 /
2
{1}{B}{B}
Murder
Instant
Destroy target creature.
{2}{B}
Nantuko Husk
Creature - Zombie Insect
Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.
2 /
2
{1}{B}
Necromancer's Stockpile
Enchantment
{1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token.
{4}{B}{B}
Noosegraf Mob
Creature - Zombie
Noosegraf Mob enters the battlefield with five +1/+1 counters on it.
Whenever a player casts a spell, remove a +1/+1 counter from Noosegraf Mob. If you do, create a 2/2 black Zombie creature token.
0 /
0
{3}{B}{B}
Phyrexian Delver
Creature - Phyrexian Zombie
When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.
3 /
2
{2}{B}
Plague Belcher
Creature - Zombie Beast
Menace
When Plague Belcher enters the battlefield, put two -1/-1 counters on target creature you control.
Whenever another Zombie you control dies, each opponent loses 1 life.
5 /
4
{1}{U}{B}
Prized Amalgam
Creature - Zombie
Whenever a creature enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, return Prized Amalgam from your graveyard to the battlefield tapped at the beginning of the next end step.
3 /
3
{B}{B}
Relentless Dead
Creature - Zombie
Menace (This creature can't be blocked except by two or more creatures.)
When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand.
When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.
2 /
2
{5}{U}
Rooftop Storm
Enchantment
You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.
{2}{U}
Secrets of the Dead
Enchantment
Whenever you cast a spell from your graveyard, draw a card.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Submerged Boneyard
Land
Submerged Boneyard enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Sunken Hollow
Land - Island Swamp
({T}: Add {U} or {B}.)
Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Tainted Isle
Land
{T}: Add {C}.
{T}: Add {U} or {B}. Activate only if you control a Swamp.
--
Temple of Deceit
Land
Temple of Deceit enters the battlefield tapped.
When Temple of Deceit enters the battlefield, scry 1.
{T}: Add {U} or {B}.
{3}{U}{B}
The Scarab God
Legendary Creature - God
At the beginning of your upkeep, each opponent loses X life and you scry X, where X is the number of Zombies you control.
{2}{U}{B}: Exile target creature card from a graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie.
When The Scarab God dies, return it to its owner's hand at the beginning of the next end step.
5 /
5
{B}
Tragic Slip
Instant
Target creature gets -1/-1 until end of turn.
Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.
{2}{B}
Unbreathing Horde
Creature - Zombie
Unbreathing Horde enters the battlefield with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard.
If Unbreathing Horde would be dealt damage, prevent that damage and remove a +1/+1 counter from it.
0 /
0
{2}{B}{B}
Undead Warchief
Creature - Zombie
Zombie spells you cast cost {1} less to cast.
Zombie creatures you control get +2/+1.
1 /
1
--
Underground River
Land
{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.
{3}{B}
Vengeful Dead
Creature - Zombie
Whenever Vengeful Dead or another Zombie dies, each opponent loses 1 life.
3 /
2
{2}{B}
Victimize
Sorcery
Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.
{3}{B}
Vindictive Lich
Creature - Zombie Wizard
When Vindictive Lich dies, choose one or more. Each mode must target a different player.
• Target opponent sacrifices a creature.
• Target opponent discards two cards.
• Target opponent loses 5 life.
4 /
1
{3}{U}
Wonder
Creature - Incarnation
Flying
As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.
2 /
2
{3}{B}{B}{B}
Zombie Apocalypse
Sorcery
Return all Zombie creature cards from your graveyard to the battlefield tapped, then destroy all Humans.
{1}{B}{B}
Zombie Master
Creature - Zombie
Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)
Other Zombies have "{B}: Regenerate this permanent."
2 /
3
{B}{B}{B}
Zombie Trailblazer
Creature - Zombie Scout
Tap an untapped Zombie you control: Target land becomes a Swamp until end of turn.
Tap an untapped Zombie you control: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)