Stupor

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

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Plains

Swamp

Plague Spitter

At the beginning of your upkeep, Plague Spitter deals 1 damage to each creature and each player.
When Plague Spitter dies, it deals 1 damage to each creature and each player.

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control, then sacrifices a third of the lands they control. Round up each time.

Hypnotic Specter

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

Ensnaring Bridge

Creatures with power greater than the number of cards in your hand can't attack.

Tainted Field

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

Gerrard's Verdict

Target player discards two cards. You gain 3 life for each land card discarded this way.

Duress

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

Disenchant

Infest

All creatures get -2/-2 until end of turn.

Engineered Plague

As Engineered Plague enters the battlefield, choose a creature type.
All creatures of the chosen type get -1/-1.

The Rack

As The Rack enters the battlefield, 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.

Vindicate

Bottomless Pit

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

Dark Ritual

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.