Wheel and Deal

Any number of target opponents each discard their hands, then draw seven cards.
Draw a card.

Unhinge

Target player discards a card.
Draw a card.

Dying Wail

Enchant creature
When enchanted creature dies, target player discards two cards.

Ill-Gotten Gains

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

Coercion

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

Stupor

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

Larceny

Whenever a creature you control deals combat damage to a player, that player discards a card.

Cephalid Broker

{T}: Target player draws two cards, then discards two cards.

Headhunter

Whenever Headhunter deals combat damage to a player, that player discards a card.
Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Urza's Guilt

Each player draws two cards, then discards three cards, then loses 4 life.

Ostracize

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

Recoil

Return target permanent to its owner's hand. Then that player discards a card.

Innocent Blood

Each player sacrifices a creature of their choice.

Extortion

Look at target player's hand and choose up to two cards from it. That player discards those cards.

Blackmail

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

Flay

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.

Duress

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

Last Rites

Discard any number of cards. Target player reveals their hand, then you choose a nonland card from it for each card discarded this way. That player discards those cards.

Doomsday Specter

Flying
When Doomsday Specter enters, return a blue or black creature you control to its owner's hand.
Whenever Doomsday Specter deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.

Abyssal Specter

Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.

Fugue

Laquatus's Creativity

Target player draws cards equal to the number of cards in their hand, then discards that many cards.

Mind Burst

Target player discards X cards, where X is one plus the number of cards named Mind Burst in all graveyards.

Megrim

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

Persecute

Choose a color. Target player reveals their hand and discards all cards of that color.

Cabal Conditioning

Any number of target players each discard a number of cards equal to the highest mana value among permanents you control.

Words of Waste

{1}: The next time you would draw a card this turn, each opponent discards a card instead.

Hypnotic Cloud

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Target player discards a card. If this spell was kicked, that player discards three cards instead.

Addle

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Windfall

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.