When Fervent Necromancer dies, create a tapped 2/2 black Zombie creature token.

Fleshless Assailant enters the battlefield tapped.
Whenever you cast a spell from your graveyard or a creature enters the battlefield under your control from a graveyard, return Fleshless Assailant from your graveyard to the battlefield at the beginning of the next end step.

Menace
{1}{B}: Return Forgotten Forestlord from your graveyard to your hand. Activate only if you're ancient.

Flying
Once each turn, whenever you cast a black spell, you may pay 1 life. If you do, create a Treasure token.
{W}{U}{B}{R}{G}: Each opponent loses 4 life and you gain 4 life.

When Gravelit Meditation enters the battlefield, you may have each player sacrifice a creature.
{1}{B}, Sacrifice Gravelit Meditation: Return target creature card from your graveyard to your hand.

When Graverot Soothsayer enters the battlefield, you may sacrifice another creature. If you do, return that card from your graveyard to the battlefield under your control at the beginning of the next end step.

When Impetuous Underling enters the battlefield, you may search your library for a card and put it into your graveyard, then shuffle.

Exile target creature or planeswalker.

When Kywon's Breathtaker enters the battlefield, you may exile a creature card from your graveyard. When you do, target creature gets -3/-3 until end of turn.

Return target creature card from your graveyard to your hand.
Escape—{2}{B}, Exile four other cards from your graveyard.

When Malefic Whisper dies, up to one target creature gets -1/-1 until end of turn.

When Mindblight Connoisseur enters the battlefield, each opponent discards a card. Each opponent who didn't discard a card with mana value 3 or greater this way loses 2 life.

When Necrotic Savant enters the battlefield, return target creature card from your graveyard to the battlefield if it has mana value 3 or less or if Necrotic Savant escaped.
Escape—{5}{B}{B}, Sacrifice two permanents, Exile five other cards from your graveyard.

Mill three cards, then you may return a creature or land card from your graveyard to your hand.

Persistent Deadwood can't block.
As long as three or more cards were put into your graveyard from anywhere this turn, you may cast Persistent Deadwood from your graveyard.

When Ravenous Lich enters the battlefield, you may sacrifice another creature. If you do, put two +1/+1 counters on Ravenous Lich.
Escape—{5}{B}{B}, Exile four other cards from your graveyard.

Exile up to one target card from a graveyard. Create a 2/2 black Zombie creature token. If you're ancient, create a 5/5 black Demon creature token instead.

Menace
Whenever an opponent loses life for the first time each turn, put a +1/+1 counter on Reinstated Reaper. If you're ancient, put two on it instead.

Lifelink
Relentless Whisper can't block.
Escape—{4}{B}, Exile four other cards from your graveyard.
Relentless Whisper escapes with a +1/+1 counter on it.

Whenever you cast a black spell, each opponent loses X life, where X is the number of colors spent to cast it. If X is four or more, each opponent sacrifices a creature.

This spell costs {1} less to cast for each land card in your graveyard.
Destroy target creature. Its controller loses 2 life.

Whenever a creature dies this turn, you gain 1 life.
All creatures get -2/-2 until end of turn.

You draw three cards and you lose 3 life. Creatures get -X/-X until end of turn, where X is the number of cards in your hand.

Exile target creature if it has power 3 or less or if you're ancient.

Destroy target creature with power or toughness 2 or less.