You can't win the game and your opponents can't lose the game.
6 /
6
{4}{W}{W}
Aegis Angel
Creature - Angel
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aegis Angel enters the battlefield, another target permanent gains indestructible for as long as you control Aegis Angel. (Effects that say "destroy" don't destroy it. A creature with indestructible can't be destroyed by damage.)
5 /
5
{1}{W}{W}
Always Watching
Enchantment
Nontoken creatures you control get +1/+1 and have vigilance.
{4}{W}{W}{W}
Angel of Serenity
Creature - Angel
Flying
When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.
5 /
6
{3}{W}{W}
Archangel Avacyn
Legendary Creature - Angel
Flash
Flying, vigilance
When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn.
When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep.
4 /
4
--
Avacyn, the Purifier
Legendary Creature - Angel
Flying
When this creature transforms into Avacyn, the Purifier, it deals 3 damage to each other creature and each opponent.
4 /
4
{W}
Authority of the Consuls
Enchantment
Creatures your opponents control enter the battlefield tapped.
Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.
{2}{W}{W}{W}
Avacyn, Guardian Angel
Legendary Creature - Angel
Flying, vigilance
{1}{W}: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.
{5}{W}{W}: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.
5 /
4
{X}{B}{B}
Black Sun's Zenith
Sorcery
Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.
{1}{W}
Blessed Alliance
Instant
Escalate {2} (Pay this cost for each mode chosen beyond the first.)
Choose one or more --
• Target player gains 4 life.
• Untap up to two target creatures.
• Target opponent sacrifices an attacking creature.
{1}{W}
Blind Obedience
Enchantment
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.)
Artifacts and creatures your opponents control enter the battlefield tapped.
{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
{5}{W}{W}
Bruna, the Fading Light
Legendary Creature - Angel Horror
When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.
Flying, vigilance
(Melds with Gisela, the Broken Blade.)
5 /
7
{2}{B}
Butcher's Glee
Instant
Target creature gets +3/+0 and gains lifelink until end of turn. Regenerate it. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
--
Caves of Koilos
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.
{2}{W}{W}
Citadel Siege
Enchantment
As Citadel Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.
• Dragons -- At the beginning of combat on each opponent's turn, tap target creature that player controls.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{B}{B}
Conspiracy
Enchantment
As Conspiracy enters the battlefield, choose a creature type.
Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{X}{B}{B}
Damnable Pact
Sorcery
Target player draws X cards and loses X life.
{1}{B}
Dark Favor
Enchantment - Aura
Enchant creature
When Dark Favor enters the battlefield, you lose 1 life.
Enchanted creature gets +3/+1.
{3}{B}{B}
Dark Petition
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.
{3}{W}{B}{B}
Deathpact Angel
Creature - Angel
Flying
When Deathpact Angel dies, create a 1/1 white and black Cleric creature token. It has "{3}{W}{B}{B}, {T}, Sacrifice this creature: Return a card named Deathpact Angel from your graveyard to the battlefield."
5 /
5
{3}{B}{B}
Demon of Wailing Agonies
Creature - Demon
Flying
Lieutenant -- As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature."
4 /
4
{4}{W}{W}
Descend upon the Sinful
Sorcery
Exile all creatures.
Delirium -- Create a 4/4 white Angel creature token with flying if there are four or more card types among cards in your graveyard.
{1}{W}
Disenchant
Instant
Destroy target artifact or enchantment.
{2}{B}
Drag Down
Instant
Domain -- Target creature gets -1/-1 until end of turn for each basic land type among lands you control.
{2}{W}
Eerie Interlude
Instant
Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.
{5}{W}{W}
Emeria Shepherd
Creature - Angel
Flying
Landfall -- Whenever a land enters the battlefield under your control, you may return target nonland permanent card from your graveyard to your hand. If that land is a Plains, you may return that nonland permanent card to the battlefield instead.
4 /
4
--
Forsaken Sanctuary
Land
Forsaken Sanctuary enters the battlefield tapped.
{T}: Add {W} or {B}.
{2}{W}
Ghostly Prison
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{2}{W}{W}
Gisela, the Broken Blade
Legendary Creature - Angel Horror
Flying, first strike, lifelink
At the beginning of your end step, if you both own and control Gisela, the Broken Blade and a creature named Bruna, the Fading Light, exile them, then meld them into Brisela, Voice of Nightmares.
4 /
3
{1}{W}
Gleam of Authority
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 for each +1/+1 counter on other creatures you control.
Enchanted creature has vigilance and "{W}, {T}: Bolster 1." (To bolster 1, choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)
{1}{W}{B}
Harsh Sustenance
Instant
Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{5}{B}{B}
Hedonist's Trove
Enchantment
When Hedonist's Trove enters the battlefield, exile target opponent's graveyard.
You may play lands from among cards exiled with Hedonist's Trove.
You may cast spells from among cards exiled with Hedonist's Trove. You can't cast more than one spell this way each turn.
{4}
Helm of the Host
Legendary Artifact - Equipment
At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.
Equip {5}
{1}{B}{B}
Herald of Torment
Enchantment Creature - Demon
Bestow {3}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying
At the beginning of your upkeep, you lose 1 life.
Enchanted creature gets +3/+3 and has flying.
3 /
3
{3}{B}{B}
Indulgent Tormentor
Creature - Demon
Flying
At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.
5 /
3
{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
{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
{3}{B}{B}{B}
Lich's Mastery
Legendary Enchantment
Hexproof
You can't lose the game.
Whenever you gain life, draw that many cards.
Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.
When Lich's Mastery leaves the battlefield, you lose the game.
{3}{B}{B}
Liliana's Contract
Enchantment
When Liliana's Contract enters the battlefield, you draw four cards and you lose 4 life.
At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.
{4}{B}{B}{B}
Lord of the Void
Creature - Demon
Flying
Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.
7 /
7
{1}{W}
Lunarch Mantle
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 and has "{1}, Sacrifice a permanent: This creature gains flying until end of turn."
{3}{W}{W}
Lyra Dawnbringer
Legendary Creature - Angel
Flying, first strike, lifelink
Other Angels you control get +1/+1 and have lifelink.
5 /
5
{B}{B}
Malicious Affliction
Instant
Morbid -- When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy.
Destroy target nonblack creature.
{2}{B}{B}
Mindwrack Demon
Creature - Demon
Flying, trample
When Mindwrack Demon enters the battlefield, mill four cards.
Delirium -- At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard.
4 /
5
{1}{B}{B}
Murder
Instant
Destroy target creature.
{2}{B}{B}
Mutilate
Sorcery
All creatures get -1/-1 until end of turn for each Swamp you control.
{2}{W}{W}{W}
Near-Death Experience
Enchantment
At the beginning of your upkeep, if you have exactly 1 life, you win the game.
--
Orzhov Basilica
Land
Orzhov Basilica enters the battlefield tapped.
When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.
{T}: Add {W}{B}.
{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}
Palace Siege
Enchantment
As Palace Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your upkeep, return target creature card from your graveyard to your hand.
• Dragons -- At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.
{5}{B}{B}{B}
Pestilence Demon
Creature - Demon
Flying
{B}: Pestilence Demon deals 1 damage to each creature and each player.
7 /
6
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{7}
Platinum Angel
Artifact Creature - Angel
Flying
You can't lose the game and your opponents can't win the game.
4 /
4
{X}{B}{B}
Profane Command
Sorcery
Choose two --
• Target player loses X life.
• Return target creature card with mana value X or less from your graveyard to the battlefield.
• Target creature gets -X/-X until end of turn.
• Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)
{2}{B}{B}{B}
Promise of Power
Sorcery
Choose one --
• You draw five cards and you lose 5 life.
• Create an X/X black Demon creature token with flying, where X is the number of cards in your hand.
Entwine {4} (Choose both if you pay the entwine cost.)
{1}{W}
Radiant Purge
Instant
Exile target multicolored creature or multicolored enchantment.
{4}{B}
Raving Dead
Creature - Zombie
Deathtouch
At the beginning of combat on your turn, choose an opponent at random. Raving Dead attacks that player this combat if able.
Whenever Raving Dead deals combat damage to a player, that player loses half their life, rounded down.
2 /
6
{5}{W}
Regna, the Redeemer
Legendary Creature - Angel
Partner with Krav, the Unredeemed (When this creature enters the battlefield, target player may put Krav into their hand from their library, then shuffle.)
Flying
At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens.
4 /
4
{3}{B}{B}
Remorseless Punishment
Sorcery
Target opponent loses 5 life unless that player discards two cards or sacrifices a creature or planeswalker. Repeat this process once.
{1}{B}{B}
Ruinous Path
Sorcery
Destroy target creature or planeswalker.
Awaken 4--{5}{B}{B} (If you cast this spell for {5}{B}{B}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
{3}{B}{B}
Sanguine Bond
Enchantment
Whenever you gain life, target opponent loses that much life.
--
Scoured Barrens
Land
Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.
--
Seraph Sanctuary
Land
When Seraph Sanctuary enters the battlefield, you gain 1 life.
Whenever an Angel enters the battlefield under your control, you gain 1 life.
{T}: Add {C}.
{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}.)
{2}{B}
To the Slaughter
Instant
Target player sacrifices a creature or planeswalker.
Delirium -- If there are four or more card types among cards in your graveyard, instead that player sacrifices a creature and a planeswalker.
{2}{W}{B}
Utter End
Instant
Exile target nonland permanent.
{1}{W}
Valorous Stance
Instant
Choose one --
• Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
• Destroy target creature with toughness 4 or greater.
{3}
Worn Powerstone
Artifact
Worn Powerstone enters the battlefield tapped.
{T}: Add {C}{C}.
{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.