Walking Desecration

{B}, {T}: Creatures of the creature type of your choice attack this turn if able.

Swamp

Syphon Mind

Each other player discards a card. You draw a card for each card discarded this way.

Feeding Frenzy

Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield.

Festering Goblin

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

Aphetto Dredging

Return up to three target creature cards of the creature type of your choice from your graveyard to your hand.

Aphetto Vulture

Flying
When Aphetto Vulture dies, you may put target Zombie card from your graveyard on top of your library.

Shepherd of Rot

{T}: Each player loses 1 life for each Zombie on the battlefield.

Haunted Cadaver

Whenever Haunted Cadaver deals combat damage to a player, you may sacrifice it. If you do, that player discards three cards.
Morph {1}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Undead Gladiator

{1}{B}, Discard a card: Return Undead Gladiator from your graveyard to your hand. Activate only during your upkeep.
Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

Soulless One

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.

Boneknitter

{1}{B}: Regenerate target Zombie.
Morph {2}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Barren Moor

Barren Moor enters tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)

Cruel Revival

Destroy target non-Zombie creature. It can't be regenerated. Return up to one target Zombie card from your graveyard to your hand.