Gloomhunter

Guul Draz Specter

Flying
This creature gets +3/+3 as long as an opponent has no cards in hand.
Whenever this creature deals combat damage to a player, that player discards a card.

Monomania

Target player chooses a card in their hand and discards the rest.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Swamp

Doom Blade

Scavenger Drake

Flying
Whenever another creature dies, you may put a +1/+1 counter on this creature.

Liliana's Caress

Whenever an opponent discards a card, that player loses 2 life.

Consume Spirit

Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

Mind Rot

Ob Nixilis, the Fallen

Landfall — Whenever a land you control enters, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis.

Demon's Horn

Whenever a player casts a black spell, you may gain 1 life.

Liliana's Specter

Flying
When this creature enters, each opponent discards a card.

Underworld Dreams

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

Beacon of Unrest

Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Quag Sickness

Enchant creature
Enchanted creature gets -1/-1 for each Swamp you control.

Syphon Flesh

Each other player sacrifices a creature. You create a 2/2 black Zombie creature token for each creature sacrificed this way.

Mortivore

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Reassembling Skeleton

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Syphon Mind

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

Quest for the Gravelord

Whenever a creature dies, you may put a quest counter on this enchantment.
Remove three quest counters from this enchantment and sacrifice it: Create a 5/5 black Zombie Giant creature token.

Massacre Wurm

When this creature enters, creatures your opponents control get -2/-2 until end of turn.
Whenever a creature an opponent controls dies, that player loses 2 life.

Disentomb

Return target creature card from your graveyard to your hand.

Moan of the Unhallowed

Create two 2/2 black Zombie creature tokens.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Bloodgift Demon

Flying
At the beginning of your upkeep, target player draws a card and loses 1 life.

Grave Titan

Deathtouch
Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Blood Tithe

Each opponent loses 3 life. You gain life equal to the life lost this way.

Corrupt

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Marsh Casualties

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Creatures target player controls get -1/-1 until end of turn. If this spell was kicked, those creatures get -2/-2 until end of turn instead.

The Rack

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.