You can't win the game and your opponents can't lose the game.
6 /
6
{2}{B}{B}
Archdemon of Paliano
Creature - Demon
Draft Archdemon of Paliano face up.
As long as Archdemon of Paliano is face up during the draft, you can't look at booster packs and must draft cards at random. After you draft three cards this way, turn Archdemon of Paliano face down. (You may look at cards as you draft them.)
Flying
5 /
4
{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
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{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.
{3}
Blasting Station
Artifact
{T}, Sacrifice a creature: Blasting Station deals 1 damage to any target.
Whenever a creature enters the battlefield, you may untap Blasting Station.
{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
{3}{B}
Blood Speaker
Creature - Ogre Shaman
At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.
Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.
3 /
2
{3}{B}{B}
Bloodgift Demon
Creature - Demon
Flying
At the beginning of your upkeep, target player draws a card and loses 1 life.
5 /
4
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
{2}
Charcoal Diamond
Artifact
Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.
{2}
Coldsteel Heart
Snow Artifact
Coldsteel Heart enters the battlefield tapped.
As Coldsteel Heart enters the battlefield, choose a color.
{T}: Add one mana of the chosen color.
{3}{B}
Crypt Ghast
Creature - Spirit
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional {B}.
2 /
2
{3}{B}{B}{B}
Demon of Dark Schemes
Creature - Demon
Flying
When Demon of Dark Schemes enters the battlefield, all other creatures get -2/-2 until end of turn.
Whenever another creature dies, you get {E} (an energy counter).
{2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.
5 /
5
{2}{B}{B}
Demonlord of Ashmouth
Creature - Demon
Flying
When Demonlord of Ashmouth enters the battlefield, exile it unless you sacrifice another creature.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
5 /
4
{2}{B}{B}
Desecration Demon
Creature - Demon
Flying
At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.
6 /
6
{3}{B}{B}
Dictate of Erebos
Enchantment
Flash
Whenever a creature you control dies, each opponent sacrifices a creature.
{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
{4}{B}
Exquisite Blood
Enchantment
Whenever an opponent loses life, you gain that much life.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{B}{B}
Gate to Phyrexia
Enchantment
Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn.
{3}{B}{B}
Gray Merchant of Asphodel
Creature - Zombie
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.)
2 /
4
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{1}{B}
Heartless Summoning
Enchantment
Creature spells you cast cost {2} less to cast.
Creatures you control get -1/-1.
{1}{B}{B}
Hecatomb
Enchantment
When Hecatomb enters the battlefield, sacrifice Hecatomb unless you sacrifice four creatures.
Tap an untapped Swamp you control: Hecatomb deals 1 damage to any target.
{1}
Hex Parasite
Artifact Creature - Phyrexian Insect
{X}{B/P}: Remove up to X counters from target permanent. For each counter removed this way, Hex Parasite gets +1/+0 until end of turn. ({B/P} can be paid with either {B} or 2 life.)
1 /
1
--
High Market
Land
{T}: Add {C}.
{T}, Sacrifice a creature: You gain 1 life.
{2}
Jet Medallion
Artifact
Black spells you cast cost {1} less to cast.
{4}{B}{B}
Kothophed, Soul Hoarder
Legendary Creature - Demon
Flying
Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.
6 /
6
{B}{B}{B}
Kuon, Ogre Ascendant
Legendary Creature - Ogre Monk
At the beginning of the end step, if three or more creatures died this turn, flip Kuon, Ogre Ascendant.
2 /
4
--
Kuon's Essence
Legendary Enchantment
At the beginning of each player's upkeep, that player sacrifices a creature.
2 /
4
{4}
Lashwrithe
Artifact - Equipment
Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/+1 for each Swamp you control.
Equip {B/P}{B/P} ({B/P} can be paid with either {B} or 2 life.)
{2}{B}{B}
Liliana of the Dark Realms
Legendary Planeswalker - Liliana
+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.
-3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.
-6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"
L:
3
{4}{B}
Magus of the Coffers
Creature - Human Wizard
{2}, {T}: Add {B} for each Swamp you control.
4 /
4
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{2}{B}{B}
Mutilate
Sorcery
All creatures get -1/-1 until end of turn for each Swamp you control.
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{B}{B}{B}
Necropotence
Enchantment
Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.
--
Nykthos, Shrine to Nyx
Legendary Land
{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
{3}{B}{B}
Ob Nixilis Reignited
Legendary Planeswalker - Nixilis
+1: You draw a card and you lose 1 life.
-3: Destroy target creature.
-8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."
L:
5
{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
{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.
{B}{B}{B}{B}
Phyrexian Obliterator
Creature - Phyrexian Horror
Trample
Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.
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
{B}
Phyrexian Reclamation
Enchantment
{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.
{3}
Phyrexian Totem
Artifact
{T}: Add {B}.
{2}{B}: Phyrexian Totem becomes a 5/5 black Phyrexian Horror artifact creature with trample until end of turn.
Whenever Phyrexian Totem is dealt damage, if it's a creature, sacrifice that many permanents.
{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
{2}{B}{B}
Reprocess
Sorcery
Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.
{3}{B}{B}
Shadowborn Demon
Creature - Demon
Flying
When Shadowborn Demon enters the battlefield, destroy target non-Demon creature.
At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.
5 /
6
{5}{B}{B}
Sheoldred, Whispering One
Legendary Creature - Phyrexian Praetor
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature.
6 /
6
{3}{B}{B}
Sidisi, Undead Vizier
Legendary Creature - Zombie Naga
Deathtouch
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.
4 /
6
{1}{B}
Skirsdag High Priest
Creature - Human Cleric
Morbid -- {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.
1 /
2
{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}.
{2}
Spawning Pit
Artifact
Sacrifice a creature: Put a charge counter on Spawning Pit.
{1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.
--
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}.)
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{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
{B}
Tragic Slip
Instant
Target creature gets -1/-1 until end of turn.
Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.
{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.
{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
{3}{B}{B}
Voldaren Pariah
Creature - Vampire Horror
Flying
Sacrifice three other creatures: Transform Voldaren Pariah.
Madness {B}{B}{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.)
3 /
3
--
Abolisher of Bloodlines
Creature - Eldrazi Vampire
Flying
When this creature transforms into Abolisher of Bloodlines, target opponent sacrifices three creatures.
3 /
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
{2}{B}{B}
Whip of Erebos
Legendary Enchantment Artifact
Creatures you control have lifelink.
{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.
{3}
Worn Powerstone
Artifact
Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.
{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.