Have

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.)

Swamp

Dark Ritual

Megrim

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

Island

Hypnotic Specter

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

Duress

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

Shrieking Affliction

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

Wrench Mind

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

Hymn to Tourach

Target player discards two cards at random.

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.

Wistful Thinking

Target player draws two cards, then discards four cards.

Recoil

Return target permanent to its owner's hand. Then 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.