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.
6 /
6
{2}
Altar of Dementia
Artifact
Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
{1}
Altar of the Brood
Artifact
Whenever another permanent enters the battlefield under your control, each opponent mills a card.
Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{B}{B}{B}
Ayara, First of Locthwain
Legendary Creature - Elf Noble
Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.
{T}, Sacrifice another black creature: Draw a card.
2 /
3
{2}{B}
Bastion of Remembrance
Enchantment
When Bastion of Remembrance enters, create a 1/1 white Human Soldier creature token.
Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.
{3}{B}{B}
Black Market
Enchantment
Whenever a creature dies, put a charge counter on Black Market.
At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.
{1}{B}
Blood Artist
Creature - Vampire
Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.
0 /
1
{2}{B}
Blood Bairn
Creature - Vampire
Sacrifice another creature: Blood Bairn gets +2/+2 until end of turn.
2 /
2
{2}{B}
Bloodflow Connoisseur
Creature - Vampire
Sacrifice a creature: Put a +1/+1 counter on Bloodflow Connoisseur.
1 /
1
{2}{B}
Bontu the Glorified
Legendary Creature - God
Menace, indestructible
Bontu the Glorified can't attack or block unless a creature died under your control this turn.
{1}{B}, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.
4 /
6
{5}{B}{B}
Butcher of Malakir
Creature - Vampire Warrior
Flying
Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.
5 /
4
{B}
Carrion Feeder
Creature - Zombie
Carrion Feeder can't block.
Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.
1 /
1
{0}
Claws of Gix
Artifact
{1}, Sacrifice a permanent: You gain 1 life.
{X}{1}{B}
Consume Spirit
Sorcery
Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.
{2}{B}
Crowded Crypt
Artifact
{T}: Add {B}.
Whenever a creature you control dies, put a corpse counter on Crowded Crypt.
{4}{B}{B}, {T}, Sacrifice Crowded Crypt: Create a 2/2 black Zombie creature token with decayed for each corpse counter on Crowded Crypt. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)
{X}{X}{B}
Dark Salvation
Sorcery
Target player creates X 2/2 black Zombie creature tokens, then up to one target creature gets -1/-1 until end of turn for each Zombie that player controls.
{4}{B}
Death Tyrant
Creature - Beholder Skeleton
Menace
Negative Energy Cone -- Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token.
{5}{B}: Return Death Tyrant from your graveyard to the battlefield tapped.
4 /
6
{B}
Deathgreeter
Creature - Human Shaman
Whenever another creature dies, you may gain 1 life.
1 /
1
{6}{B}{B}{B}
Demon of Death's Gate
Creature - Demon
You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost.
Flying, trample
9 /
9
{5}{B}{B}{B}
Devouring Strossus
Creature - Phyrexian Horror
Flying, trample
At the beginning of your upkeep, sacrifice a creature.
Sacrifice a creature: Regenerate Devouring Strossus.
9 /
9
{3}{B}{B}
Dictate of Erebos
Enchantment
Flash
Whenever a creature you control dies, each opponent sacrifices a creature.
{4}{B}{B}
Dreadhound
Creature - Demon Dog
When Dreadhound enters, mill three cards. (Put the top three cards of your library into your graveyard.)
Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.
6 /
6
{4}
Empowered Autogenerator
Artifact
Empowered Autogenerator enters tapped.
{T}: Put a charge counter on Empowered Autogenerator. Add X mana of any one color, where X is the number of charge counters on Empowered Autogenerator.
{X}{X}{B}{B}{B}{B}
Empty the Pits
Instant
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Create X tapped 2/2 black Zombie creature tokens.
{4}{B}
Endrek Sahr, Master Breeder
Legendary Creature - Human Wizard
Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value.
When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.
2 /
2
{3}{B}
Falkenrath Noble
Creature - Vampire Noble
Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.
2 /
2
{3}{B}{B}
Fallen Angel
Creature - Angel
Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.
3 /
3
{2}{B}
Fallen Ideal
Enchantment - Aura
Enchant creature
Enchanted creature has flying and "Sacrifice a creature: This creature gets +2/+1 until end of turn."
When Fallen Ideal is put into a graveyard from the battlefield, return Fallen Ideal to its owner's hand.
{3}{B}
Gavony Unhallowed
Creature - Zombie
Whenever another creature you control dies, put a +1/+1 counter on Gavony Unhallowed.
2 /
4
{3}{B}{B}
Ghoulcaller Gisa
Legendary Creature - Human Wizard
{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.
3 /
4
{1}{B}
Ghoulish Procession
Enchantment
Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)
--
High Market
Land
{T}: Add {C}.
{T}, Sacrifice a creature: You gain 1 life.
{4}{B}
Krav, the Unredeemed
Legendary Creature - Demon
Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then shuffle.)
{B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed.
3 /
3
{1}{B}
Lampad of Death's Vigil
Enchantment Creature - Nymph
{1}, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.
1 /
3
{5}{B}
Nadier, Agent of the Duskenel
Legendary Creature - Elf Warrior
Whenever a token you control leaves the battlefield, put a +1/+1 counter on Nadier, Agent of the Duskenel.
When Nadier leaves the battlefield, create a number of 1/1 green Elf Warrior creature tokens equal to its power.
Partner (You can have two commanders if both have partner.)
3 /
3
{3}{B}{B}
Open the Graves
Enchantment
Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.
{5}{B}{B}
Overseer of the Damned
Creature - Demon
Flying
When Overseer of the Damned enters the battlefield, you may destroy target creature.
Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.
5 /
5
{3}{B}{B}
Phyrexian Plaguelord
Creature - Phyrexian Carrier
{T}, Sacrifice Phyrexian Plaguelord: Target creature gets -4/-4 until end of turn.
Sacrifice a creature: Target creature gets -1/-1 until end of turn.
4 /
4
{3}{B}
Pitiless Plunderer
Creature - Human Pirate
Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
1 /
4
{1}{B}
Priest of Forgotten Gods
Creature - Human Cleric
{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.
1 /
2
{3}
Pristine Talisman
Artifact
{T}: Add {C}. You gain 1 life.
{3}
Replicating Ring
Snow Artifact
{T}: Add one mana of any color.
At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
{B}
Sadistic Glee
Enchantment - Aura
Enchant creature
Whenever a creature dies, put a +1/+1 counter on enchanted creature.
{3}{B}{B}
Sadistic Hypnotist
Creature - Human Minion
Sacrifice a creature: Target player discards two cards. Activate only as a sorcery.
2 /
2
{3}{B}
Scavenger Drake
Creature - Drake
Flying
Whenever another creature dies, you may put a +1/+1 counter on Scavenger Drake.
1 /
1
{4}{B}{B}
Sengir, the Dark Baron
Legendary Creature - Vampire Noble
Flying
Whenever another creature dies, put two +1/+1 counters on Sengir, the Dark Baron.
Whenever another player loses the game, you gain life equal to that player's life total as the turn began.
Partner (You can have two commanders if both have partner.)
4 /
4
{4}{B}
Silumgar Scavenger
Creature - Zombie Bird
Flying
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
Whenever another creature you control dies, put a +1/+1 counter on Silumgar Scavenger. It gains haste until end of turn if it exploited that creature.
2 /
3
{4}
Sisay's Ring
Artifact
{T}: Add {C}{C}.
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{2}{B}{B}
Smothering Abomination
Creature - Eldrazi
Devoid (This card has no color.)
Flying
At the beginning of your upkeep, sacrifice a creature.
Whenever you sacrifice a creature, draw a card.
4 /
3
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{4}{B}
Swarm of Bloodflies
Creature - Insect
Flying
Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it.
Whenever another creature dies, put a +1/+1 counter on Swarm of Bloodflies.
0 /
0
{3}{B}{B}
Syr Konrad, the Grim
Legendary Creature - Human Knight
Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.
{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)
5 /
4
{B}
Thoughtpicker Witch
Creature - Human Wizard
{1}, Sacrifice a creature: Look at the top two cards of target opponent's library, then exile one of them.
1 /
1
{4}
Thran Dynamo
Artifact
{T}: Add {C}{C}{C}.
{2}{B}
Undercity Scrounger
Artifact Creature - Human Rogue
{T}: Create a Treasure token. Activate only if a creature died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.
{3}{B}
Vindictive Vampire
Creature - Vampire
Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.
2 /
3
{2}{B}
Wand of Orcus
Legendary Artifact - Equipment
Whenever equipped creature attacks or blocks, it and Zombies you control gain deathtouch until end of turn.
Whenever equipped creature deals combat damage to a player, create that many 2/2 black Zombie creature tokens.
Equip {3}
--
Westvale Abbey
Land
{T}: Add {C}.
{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.
{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.
--
Ormendahl, Profane Prince
Legendary Creature - Demon
Flying, lifelink, indestructible, haste
{3}{B}
Whisper, Blood Liturgist
Legendary Creature - Human Cleric
{T}, Sacrifice two creatures: Return target creature card from your graveyard to the battlefield.
2 /
2
{3}{B}{B}{B}
Xathrid Demon
Creature - Demon
Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap Xathrid Demon and you lose 7 life.
7 /
7
{1}{B}
Zulaport Cutthroat
Creature - Human Rogue Ally
Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.