Liliana's Reaver

Deathtouch
Whenever this creature deals combat damage to a player, that player discards a card and you create a tapped 2/2 black Zombie creature token.

Shimian Specter

Flying
Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.

Ascendant Evincar

Flying (This creature can't be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

Earsplitting Rats

When this creature enters, each player discards a card.
Discard a card: Regenerate this creature.

Swamp

Sign in Blood

Target player draws two cards and loses 2 life.

Unburden

Target player discards two cards.
Cycling {2} ({2}, Discard this card: Draw a card.)

Wrench Mind

Target player discards two cards unless they discard an artifact card.

Waste Not

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card.

Ravenous Rats

When this creature enters, target opponent discards a card.

Liliana's Specter

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

Entrails Feaster

At the beginning of your upkeep, you may exile a creature card from a graveyard. If you do, put a +1/+1 counter on this creature. If you don't, tap this creature.

Hypnotic Specter

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

Raven's Crime

Target player discards a card.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Cunning Lethemancer

At the beginning of your upkeep, each player discards a card.

Augur of Skulls

{1}{B}: Regenerate this creature.
Sacrifice this creature: Target player discards two cards. Activate only during your upkeep.

Syphon Mind

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

Necrogen Mists

At the beginning of each player's upkeep, that player discards a card.

Nyxathid

As this creature enters, choose an opponent.
This creature gets -1/-1 for each card in the chosen player's hand.

Megrim

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

Ostracize

Target opponent reveals their hand. You choose a creature card from it. That player discards that card.

Liliana's Caress

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

Scavenger Drake

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

Abyssal Specter

Flying
Whenever this creature deals damage to a player, that player discards a card.