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
{3}{B}{B}
Archfiend of Depravity
Creature - Demon
Flying
At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.
5 /
4
{B}{G}
Assassin's Trophy
Instant
Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
--
Blood Crypt
Land - Swamp Mountain
({T}: Add {B} or {R}.)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{2}{B}{G}
Bloodbond March
Enchantment
Whenever a player casts a creature spell, each player returns all cards with the same name as that spell from their graveyard to the battlefield.
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{2}{R}
Chaos Warp
Instant
The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Crypt of Agadeem
Land
Crypt of Agadeem enters the battlefield tapped.
{T}: Add {B}.
{2}, {T}: Add {B} for each black creature card in your graveyard.
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{3}{B}{B}
Dictate of Erebos
Enchantment
Flash
Whenever a creature you control dies, each opponent sacrifices a creature.
--
Dragonskull Summit
Land
Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.
{T}: Add {B} or {R}.
{1}{G}{G}
Eternal Witness
Creature - Human Shaman
When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.
2 /
1
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{1}{R}
Goblin Bombardment
Enchantment
Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.
{1}{B}{B}{B}
Grave Pact
Enchantment
Whenever a creature you control dies, each other player sacrifices a creature.
--
Grim Backwoods
Land
{T}: Add {C}.
{2}{B}{G}, {T}, Sacrifice a creature: Draw a card.
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
--
High Market
Land
{T}: Add {C}.
{T}, Sacrifice a creature: You gain 1 life.
{1}{R}
Impact Tremors
Enchantment
Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.
--
Llanowar Wastes
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.
--
Luxury Suite
Land
Luxury Suite enters the battlefield tapped unless you have two or more opponents.
{T}: Add {B} or {R}.
{3}{B}{G}
Moldervine Reclamation
Enchantment
Whenever a creature you control dies, you gain 1 life and draw a card.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{G}{G}
Nantuko Shrine
Enchantment
Whenever a player casts a spell, that player creates X 1/1 green Squirrel creature tokens, where X is the number of cards in all graveyards with the same name as that spell.
{4}{B}{B}
Ob Nixilis, Unshackled
Legendary Creature - Demon
Flying, trample
Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.
Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.
4 /
4
{2}{R}{R}
Ogre Battledriver
Creature - Ogre Warrior
Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)
3 /
3
--
Overgrown Tomb
Land - Swamp Forest
({T}: Add {B} or {G}.)
As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{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
{1}{B}
Oversold Cemetery
Enchantment
At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.
{3}{G}
Parallel Lives
Enchantment
If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
{3}
Phyrexian Altar
Artifact
Sacrifice a creature: Add one mana of any color.
{1}{B}{B}
Phyrexian Arena
Enchantment
At the beginning of your upkeep, you draw a card and you lose 1 life.
--
Phyrexian Tower
Legendary Land
{T}: Add {C}.
{T}, Sacrifice a creature: Add {B}{B}.
{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
{3}{R}
Purphoros, God of the Forge
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn.
6 /
5
{5}{B}{B}{B}
Razaketh, the Foulblooded
Legendary Creature - Demon
Flying, trample
Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.
8 /
8
{3}{B}{B}{B}
Reaper from the Abyss
Creature - Demon
Flying
Morbid -- At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.
6 /
6
--
Reflecting Pool
Land
{T}: Add one mana of any type that a land you control could produce.
--
Rootbound Crag
Land
Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.
{2}{B}
Rotlung Reanimator
Creature - Zombie Cleric
Whenever Rotlung Reanimator or another Cleric dies, create a 2/2 black Zombie creature token.
2 /
2
{1}{G}
Sakura-Tribe Elder
Creature - Snake Shaman
Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
1 /
1
--
Savage Lands
Land
Savage Lands enters the battlefield tapped.
{T}: Add {B}, {R}, or {G}.
{2}{B}{R}{G}
Sek'Kuar, Deathkeeper
Legendary Creature - Orc Shaman
Whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.
4 /
3
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{B}
Shadowborn Apostle
Creature - Human Cleric
A deck can have any number of cards named Shadowborn Apostle.
{B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.
1 /
1
{4}{B}
Shirei, Shizo's Caretaker
Legendary Creature - Spirit
Whenever a creature with power 1 or less is put into your graveyard from the battlefield, you may return that card to the battlefield at the beginning of the next end step if Shirei, Shizo's Caretaker is still on the battlefield.
2 /
2
{4}{B}{R}
Sire of Insanity
Creature - Demon
At the beginning of each end step, each player discards their hand.
6 /
4
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
--
Smoldering Marsh
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Stomping Ground
Land - Mountain Forest
({T}: Add {R} or {G}.)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
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}.)
--
Tainted Peak
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Activate only if you control a Swamp.
--
Tainted Wood
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Activate only if you control a Swamp.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{5}
Thrumming Stone
Legendary Artifact
Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{6}{R}
Vicious Shadows
Enchantment
Whenever a creature dies, you may have Vicious Shadows deal damage to target player equal to the number of cards in that player's hand.
{B}
Viscera Seer
Creature - Vampire Wizard
Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
1 /
1
--
Volrath's Stronghold
Legendary Land
{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.
--
Woodland Cemetery
Land
Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.
{2}{B}
Xathrid Necromancer
Creature - Human Wizard
Whenever Xathrid Necromancer or another Human creature you control dies, create a tapped 2/2 black Zombie creature token.
2 /
2
{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.