Damnation

Destroy all creatures. They can't be regenerated.

Hero's Downfall

Consume Spirit

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

Swamp

Cabal Coffers

{2}, {T}: Add {B} for each Swamp you control.

Exsanguinate

Each opponent loses X life. You gain life equal to the life lost this way.

Sinkhole

Mind Twist

Target player discards X cards at random.

Hymn to Tourach

Target player discards two cards at random.

Mutilate

All creatures get -1/-1 until end of turn for each Swamp you control.

Dark Ritual

Thoughtseize

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Diabolic Edict

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Tainted Aether

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

Liliana Vess

+1: Target player discards a card.
−2: Search your library for a card, then shuffle and put that card on top.
−8: Put all creature cards from all graveyards onto the battlefield under your control.

Black Sun's Zenith

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.