Lazotep Reaver

When this creature enters, 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.)

Roofstalker Wight

{1}{U}: This creature gains flying until end of turn.

Blackcleave Goblin

Haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Diregraf Captain

Deathtouch
Other Zombie creatures you control get +1/+1.
Whenever another Zombie you control dies, target opponent loses 1 life.

Cackling Fiend

When this creature enters, each opponent discards a card.

Miasmic Mummy

When this creature enters, each player discards a card.

Jhessian Zombies

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Islandcycling {2}, swampcycling {2} ({2}, Discard this card: Search your library for an Island or Swamp card, reveal it, put it into your hand, then shuffle.)

Vedalken Ghoul

Whenever this creature becomes blocked, defending player loses 4 life.

Fleshbag Marauder

When this creature enters, each player sacrifices a creature of their choice.

Accursed Centaur

When this creature enters, sacrifice a creature.

Grixis Slavedriver

When this creature leaves the battlefield, create a 2/2 black Zombie creature token.
Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Putrid Imp

Discard a card: This creature gains flying until end of turn.
Threshold — As long as seven or more cards are in your graveyard, this creature gets +1/+1 and can't block.

Rotting Rats

When this creature enters, each player discards a card.
Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Zombie Outlander

Dripping Dead

This creature can't block.
Whenever this creature deals combat damage to a creature, destroy that creature. It can't be regenerated.

Ghoulraiser

When this creature enters, return a Zombie card at random from your graveyard to your hand.

Armored Skaab

When this creature enters, mill four cards.

Gempalm Polluter

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.)
When you cycle this card, you may have target player lose life equal to the number of Zombies on the battlefield.

Infectious Horror

Whenever this creature attacks, each opponent loses 2 life.

Sedraxis Alchemist

When this creature enters, if you control a blue permanent, return target nonland permanent to its owner's hand.

Rotting Fensnake

Drowned

Cadaverous Knight

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
{1}{B}{B}: Regenerate this creature.

Walking Dead

Walking Corpse

Herald of the Dreadhorde

When this creature dies, amass Zombies 2. (Put two +1/+1 counters 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.)

Returned Phalanx

Defender
{1}{U}: This creature can attack this turn as though it didn't have defender.

Festering Goblin

When this creature dies, target creature gets -1/-1 until end of turn.

Gray Merchant of Asphodel

When this creature enters, 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.)

Gravedigger

When this creature enters, you may return target creature card from your graveyard to your hand.

Mass of Ghouls

Black Cat

When this creature dies, target opponent discards a card at random.

Nightscape Familiar

Blue spells and red spells you cast cost {1} less to cast.
{1}{B}: Regenerate this creature.