Undercity Scrounger

{T}: Create a Treasure token. Activate only if a creature died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Thwart the Grave

This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Return target creature card and up to one target Cleric, Rogue, Warrior, or Wizard creature card from your graveyard to the battlefield.

Deep Goblin Skulltaker

Menace
At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature. (You descended if a permanent card was put into your graveyard from anywhere.)

Phyrexian Ghoul

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Sanitarium Skeleton

{2}{B}: Return this card from your graveyard to your hand.

Phyrexian Vivisector

Whenever a creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Join the Maestros

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.)
Create a 4/3 black Ogre Warrior creature token.

Malevolent Noble

{2}, Sacrifice an artifact or another creature: Put a +1/+1 counter on this creature.

Durable Coilbug

{4}{B}: Return this card from your graveyard to your hand.

It Doesn't Add Up

Return target creature card from your graveyard to the battlefield. Suspect it. (It has menace and can't block.)

Carrier Thrall

When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

Stallion of Ashmouth

Delirium — {1}{B}: This creature gets +1/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Crypt Lurker

When this creature enters, you may sacrifice a creature or discard a creature card. If you do, draw a card.

Spark Harvest

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

Awoken Demon

Ecstatic Awakener

{2}{B}, Sacrifice another creature: Draw a card, then transform this creature. Activate only once each turn.

Ecstatic Awakener // Awoken Demon

Disembowel

Destroy target creature with mana value X.

Mephitic Vapors

All creatures get -1/-1 until end of turn.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Launch Party

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature. Its controller loses 2 life.

Defiant Salvager

Sacrifice an artifact or creature: Put a +1/+1 counter on this creature. Activate only as a sorcery.

Debtors' Transport

Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)

Prismite

Polygraph Orb

When this artifact enters, look at the top four cards of your library. Put two of them into your hand and the rest into your graveyard. You lose 2 life.
{2}, {T}, Collect evidence 3: Each opponent loses 3 life unless they discard a card or sacrifice a creature. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

Ambitious Aetherborn

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Join the Dead

Target creature gets -5/-5 until end of turn.
Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.

Murder

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Moodmark Painter

Undergrowth — When this creature enters, 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.)

Shire Scarecrow

Defender
{1}: Add one mana of any color. Activate only once each turn.

Exquisite Huntmaster

When this creature dies, create a 1/1 green Elf Warrior creature token.
Encore {4}{B} ({4}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Spectral Searchlight

{T}: Choose a player. That player adds one mana of any color they choose.

Gravedigger

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

Scarecrow Guide

Reach
{1}: Add one mana of any color. Activate only once each turn.

Lazotep Behemoth

Undercity Eliminator

When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.

Ichor Slick

Target creature gets -3/-3 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)
Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Liliana's Elite

This creature gets +1/+1 for each creature card in your graveyard.

Cutthroat Centurion

Sacrifice another artifact or creature: This creature gets +2/+2 until end of turn. Activate only once each turn.

Cabal Patriarch

{2}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.
{2}{B}, Exile a creature card from your graveyard: Target creature gets -2/-2 until end of turn.

Searchlight Geist

Flying
{3}{B}: This creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Undercity Scavenger

When this creature enters, you may sacrifice another creature. If you do, put two +1/+1 counters on this creature, then scry 2.

Stromkirk Patrol

Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Acolyte of Aclazotz

{T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life.

Runed Servitor

When this creature dies, each player draws a card.

Infernal Scarring

Enchant creature
Enchanted creature gets +2/+0 and has "When this creature dies, draw a card."

Festive Funeral

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

Looming Shade

{B}: This creature gets +1/+1 until end of turn.

Driver of the Dead

When this creature dies, return target creature card with mana value 2 or less from your graveyard to the battlefield.

Alesha's Vanguard

Dash {2}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Shadow Prophecy

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put up to two of them into your hand and the rest into your graveyard. You lose 2 life.

Eyeblight Massacre

Non-Elf creatures get -2/-2 until end of turn.

Deathly Ride

Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

Fell Horseman

When this creature dies, put it on the bottom of its owner's library.

Fell Horseman // Deathly Ride

Wake of Vultures

Flying
{1}{B}, Sacrifice a creature: Regenerate this creature.

Mausoleum Turnkey

When this creature enters, return target creature card of an opponent's choice from your graveyard to your hand.

Mintstrosity

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

Balustrade Spy

Flying
When this creature enters, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Flitting Guerrilla

Flying
When this creature dies, each player mills two cards. Then you may exile this card. When you do, put target creature or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)

Ruthless Disposal

As an additional cost to cast this spell, discard a card and sacrifice a creature.
Two target creatures each get -13/-13 until end of turn.

Mutual Destruction

This spell has flash as long as you control a permanent with flash.
As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Swamp

Mindless Automaton

This creature enters with two +1/+1 counters on it.
{1}, Discard a card: Put a +1/+1 counter on this creature.
Remove two +1/+1 counters from this creature: Draw a card.

Drifting Shade

Flying
{B}: This creature gets +1/+1 until end of turn.

Skeleton Archer

When this creature enters, it deals 1 damage to any target.

Doomed Dissenter

When this creature dies, create a 2/2 black Zombie creature token.

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Voracious Null

{1}{B}, Sacrifice another creature: Put two +1/+1 counters on this creature. Activate only as a sorcery.