Geth's Verdict

Target player sacrifices a creature and loses 1 life.

Wrench Mind

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

Divest

Target player reveals their hand. You choose an artifact or creature card from it. That player discards that card.

Befoul

Destroy target land or nonblack creature. It can't be regenerated.

Tendrils of Corruption

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

Skittering Horror

When you cast a creature spell, sacrifice Skittering Horror.

Chainer's Edict

Target player sacrifices a creature.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cuombajj Witches

{T}: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Cremate

Exile target card from a graveyard.
Draw a card.

Skittering Skirge

Flying
When you cast a creature spell, sacrifice Skittering Skirge.

Rancid Earth

Destroy target land.
Threshold — If seven or more cards are in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Choking Sands

Destroy target non-Swamp land. If that land was nonbasic, Choking Sands deals 2 damage to the land's controller.

Audacious Thief

Whenever Audacious Thief attacks, you draw a card and you lose 1 life.

Duress

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

Swamp

Dark Ritual

Sign in Blood

Target player draws two cards and loses 2 life.

Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Distress

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

Consume Spirit

Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

Evincar's Justice

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Evincar's Justice deals 2 damage to each creature and each player.