Wrench Mind

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

The Rack

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

Smallpox

Each player loses 1 life, discards a card, sacrifices a creature of their choice, then sacrifices a land of their choice.

Duress

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

Victim of Night

Destroy target non-Vampire, non-Werewolf, non-Zombie creature.

Stupor

Target opponent discards a card at random, then discards a card.

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.)

Augur of Skulls

{1}{B}: Regenerate Augur of Skulls.
Sacrifice Augur of Skulls: Target player discards two cards. Activate only during your upkeep.

Shrieking Affliction

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 3 life.

Smother

Destroy target creature with mana value 3 or less. It can't be regenerated.

Swamp

Blackmail

Target player reveals three cards from their hand and you choose one of them. That player discards that card.