Dark Ritual

Cremate

Exile target card from a graveyard.
Draw a card.

Hypnotic Specter

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

Tainted Peak

{T}: Add {C}.
{T}: Add {B} or {R}. Activate only if you control a Swamp.

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Quest for the Nihil Stone

Whenever an opponent discards a card, you may put a quest counter on Quest for the Nihil Stone.
At the beginning of each opponent's upkeep, if that player has no cards in hand and Quest for the Nihil Stone has two or more quest counters on it, you may have that player lose 5 life.

Blightning

Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.

Nyxathid

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

Shimian Specter

Flying
Whenever Shimian Specter 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.

Hymn to Tourach

Target player discards two cards at random.

Swamp

Ostracize

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

Duress

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

Liliana's Caress

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

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Shadowfeed

Exile target card from a graveyard. You gain 3 life.

Burning Inquiry

Each player draws three cards, then discards three cards at random.

Virus Beetle

When Virus Beetle enters, each opponent discards a card.

Terminate

Destroy target creature. It can't be regenerated.