Undergrowth — When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can't be blocked except by two or more creatures.)

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

When Cauldron Familiar enters the battlefield, each opponent loses 1 life and you gain 1 life. Sacrifice a Food: Return Cauldron Familiar from your graveyard to the battlefield.

Whenever you gain life, each opponent loses 1 life.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Target player draws two cards and loses 2 life. Adamant — If at least three black mana was spent to cast this spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

When Lost Legion enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

Scry 2, then draw two cards. You lose 2 life.

Trample When Thought Gorger enters the battlefield, put a +1/+1 counter on it for each card in your hand. If you do, discard your hand. When Thought Gorger leaves the battlefield, draw a card for each +1/+1 counter on it.

Enchant land Enchanted land has "{T}, Pay 1 life: Draw a card."

({T}: Add {B}.)

Lifelink

Choose one or both — • Return target creature card from your graveyard to your hand. • Return target planeswalker card from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice a creature. Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield. {5}{B}{B}: Put Champion of Stray Souls on top of your library from your graveyard.

Choose any number of target creature and/or planeswalker cards in graveyards. Command the Dreadhorde deals damage to you equal to the total mana value of those cards. Put them onto the battlefield under your control.

{B}, {T}, Sacrifice Doomed Necromancer: Return target creature card from your graveyard to the battlefield.

When Endless Cockroaches dies, return it to its owner's hand.

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

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

As an additional cost to cast this spell, discard X cards. Return X target creature cards from your graveyard to your hand.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

Return up to two target creature cards from your graveyard to your hand.

Return target creature card with mana value X or less from your graveyard to the battlefield.

Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

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

Flying {B}, Sacrifice another creature: Regenerate Eater of Hope. {2}{B}, Sacrifice two other creatures: Destroy target creature.

Exile target creature with mana value 3 or greater.

When Faceless Butcher enters the battlefield, exile another target creature. When Faceless Butcher leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard.

Destroy target creature or planeswalker.

Deathtouch {6}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Hythonia the Cruel becomes monstrous, destroy all non-Gorgon creatures.

Menace When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Destroy target creature.

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Destroy target creature or planeswalker.

{T}, Pay 2 life, Discard a card, Sacrifice a creature: Create a 5/5 black Demon creature token with flying. Activate only as a sorcery.

Flying When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature.

When Chittering Witch enters the battlefield, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have. {1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

When Lazotep Reaver enters the battlefield, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Deathtouch Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Rakshasa Gravecaller exploits a creature, create two 2/2 black Zombie creature tokens.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Create two 0/1 black Cleric creature tokens. III — Create a 6/6 black Demon creature token with flying, trample, and "At the beginning of your upkeep, sacrifice another creature. If you can't, this creature deals 6 damage to you."

When Sengir Autocrat enters the battlefield, create three 0/1 black Serf creature tokens. When Sengir Autocrat leaves the battlefield, exile all Serf tokens.