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.)
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{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}.
--
Barren Moor
Land
Barren Moor enters tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)
--
Bojuka Bog
Land
Bojuka Bog enters tapped.
When Bojuka Bog enters, exile target player's graveyard.
{T}: Add {B}.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{2}{B}
Buried Alive
Sorcery
Search your library for up to three creature cards, put them into your graveyard, then shuffle.
--
Cabal Stronghold
Land
{T}: Add {C}.
{3}, {T}: Add {B} for each basic Swamp you control.
--
Castle Locthwain
Land
Castle Locthwain enters the battlefield tapped unless you control a Swamp.
{T}: Add {B}.
{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.
--
Castle Vantress
Land
Castle Vantress enters the battlefield tapped unless you control an Island.
{T}: Add {U}.
{2}{U}{U}, {T}: Scry 2.
{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.
--
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
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
--
Darkslick Shores
Land
Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {U} or {B}.
--
Darkwater Catacombs
Land
{1}, {T}: Add {U}{B}.
{1}{B}{B}
Death Baron
Creature - Zombie Wizard
Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.
2 /
2
--
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}.
--
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}.
{1}{B}
Dreadhorde Invasion
Enchantment
At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.
--
Drowned Catacomb
Land
Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
{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.
{B}
Entomb
Instant
Search your library for a card, put that card into your graveyard, then shuffle.
{4}{U}
Eternal Skylord
Creature - Zombie Wizard
When Eternal Skylord enters the battlefield, amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
Zombie tokens you control have flying.
3 /
3
{3}{U}
Fact or Fiction
Instant
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
--
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.)
--
Field of the Dead
Land
Field of the Dead enters the battlefield tapped.
{T}: Add {C}.
Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.
{3}{U}
Forgotten Creation
Creature - Zombie Horror
Skulk (This creature can't be blocked by creatures with greater power.)
At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards.
3 /
3
{5}{B}
Gempalm Polluter
Creature - Zombie
Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.)
When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.
4 /
3
{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
{1}{U}{B}
Gleaming Overseer
Creature - Zombie Wizard
When Gleaming Overseer enters the battlefield, amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
Zombie tokens you control have hexproof and menace.
1 /
4
{3}{B}{B}
God-Eternal Bontu
Legendary Creature - Zombie God
Menace
When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards.
When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.
5 /
6
{B}
Graf Harvest
Enchantment
Zombies you control have menace. (They can't be blocked except by two or more creatures.)
{3}{B}, Exile a creature card from your graveyard: Create a 2/2 black Zombie creature token.
{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}{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
{3}
Heraldic Banner
Artifact
As Heraldic Banner enters, choose a color.
Creatures you control of the chosen color get +1/+0.
{T}: Add one mana of the chosen color.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}{B}{B}
Josu Vess, Lich Knight
Legendary Creature - Zombie Knight
Kicker {5}{B} (You may pay an additional {5}{B} as you cast this spell.)
Menace
When Josu Vess, Lich Knight enters the battlefield, if it was kicked, create eight 2/2 black Zombie Knight creature tokens with menace.
4 /
5
--
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}.
{1}{U}
Lazotep Plating
Instant
Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)
{1}{U}{B}
Lich Lord of Unx
Creature - Zombie Wizard
{U}{B}, {T}: Create a 1/1 blue and black Zombie Wizard creature token.
{U}{U}{B}{B}: Target player loses X life and mills X cards, where X is the number of Zombies you control.
2 /
2
{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
{2}{B}{B}
Liliana, Untouched by Death
Legendary Planeswalker - Liliana
+1: Mill three cards. If at least one Zombie card is milled this way, each opponent loses 2 life and you gain 2 life.
-2: Target creature gets -X/-X until end of turn, where X is the number of Zombies you control.
-3: You may cast Zombie spells from your graveyard this turn.
L:
4
--
Lonely Sandbar
Land
Lonely Sandbar enters the battlefield tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)
{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}{ // }{1}{B}{B}
Murderous Rider // Swift End
Creature - Zombie Knight // Instant - Adventure
Lifelink
When Murderous Rider dies, put it on the bottom of its owner's library.
Destroy target creature or planeswalker. You lose 2 life. (Then exile this card. You may cast the creature later from exile.)
2 /
3
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{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}
Open the Graves
Enchantment
Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.
{2}{U}
Paradox Haze
Enchantment - Aura
Enchant player
At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.
{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
{B}
Reanimate
Sorcery
Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.
{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
{2}{B}{B}
Risen Executioner
Creature - Zombie Warrior
Risen Executioner can't block.
Other Zombie creatures you control get +1/+1.
You may cast Risen Executioner from your graveyard if you pay {1} more to cast it for each other creature card in your graveyard.
4 /
3
{5}{U}
Rooftop Storm
Enchantment
You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.
{1}{B}
Shepherd of Rot
Creature - Zombie Cleric
{T}: Each player loses 1 life for each Zombie on the battlefield.
1 /
1
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{3}{B}
Soulless One
Creature - Zombie Avatar
Soulless One's power and toughness are each equal to the number of Zombies on the battlefield plus the number of Zombie cards in all graveyards.
* /
*
{B}
Stitcher's Supplier
Creature - Zombie
When Stitcher's Supplier enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)
1 /
1
--
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}.)
--
Tainted Isle
Land
{T}: Add {C}.
{T}: Add {U} or {B}. Activate only if you control a Swamp.
{2}
Talisman of Dominance
Artifact
{T}: Add {C}.
{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.
--
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}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{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
{1}{U}{B}
Tomebound Lich
Creature - Zombie Wizard
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Whenever Tomebound Lich enters the battlefield or deals combat damage to a player, draw a card, then discard a card.
1 /
3
{2}{B}
Tymaret Calls the Dead
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II -- Mill three cards. Then you may exile a creature or enchantment card from your graveyard. If you do, create a 2/2 black Zombie creature token.
III -- You gain X life and scry X, where X is the number of Zombies you control.
--
Unclaimed Territory
Land
As Unclaimed Territory enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
{B}{B}
Undead Augur
Creature - Zombie Wizard
Whenever Undead Augur or another Zombie you control dies, you draw a card and you lose 1 life.
2 /
2
{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.
--
Watery Grave
Land - Island Swamp
({T}: Add {U} or {B}.)
As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
--
Westvale Abbey
Land
{T}: Add {C}.
{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.
{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.
--
Ormendahl, Profane Prince
Legendary Creature - Demon
Flying, lifelink, indestructible, haste
{1}{B}
Wight of Precinct Six
Creature - Zombie
Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.
1 /
1
{2}{U}
Windfall
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
{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}
Worn Powerstone
Artifact
Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.
{3}{B}{B}{B}
Zombie Apocalypse
Sorcery
Return all Zombie creature cards from your graveyard to the battlefield tapped, then destroy all Humans.