Cruel Edict

Target opponent sacrifices a creature of their choice.

Thrull Surgeon

{1}{B}, Sacrifice Thrull Surgeon: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Consume Spirit

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

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Assassinate

Mortivore

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
{B}: Regenerate Mortivore. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Mass of Ghouls

Dross Crocodile

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Bottle Gnomes

Sacrifice Bottle Gnomes: You gain 3 life.

Looming Shade

{B}: Looming Shade gets +1/+1 until end of turn.

Vampire Bats

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.

Severed Legion

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Mind Rot

Swamp

Essence Drain

Essence Drain deals 3 damage to any target and you gain 3 life.

Drudge Skeletons

{B}: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Ascendant Evincar

Flying (This creature can't be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.