You can't win the game and your opponents can't lose the game.
6 /
6
{2}{B}
Ammit Eternal
Creature - Zombie Crocodile Demon
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on Ammit Eternal.
Whenever Ammit Eternal deals combat damage to a player, remove all -1/-1 counters from it.
5 /
5
{3}{W}{W}{B}{B}
Angel of Despair
Creature - Angel
Flying
When Angel of Despair enters the battlefield, destroy target permanent.
5 /
5
{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
{1}{W}
Angelic Page
Creature - Angel Spirit
Flying
{T}: Target attacking or blocking creature gets +1/+1 until end of turn.
1 /
1
{1}{W}{B}
Anguished Unmaking
Instant
Exile target nonland permanent. You lose 3 life.
{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
{1}{W}{W}{W}
Archangel of Tithes
Creature - Angel
Flying
As long as Archangel of Tithes is untapped, creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.
As long as Archangel of Tithes is attacking, creatures can't block unless their controller pays {1} for each of those creatures.
3 /
5
{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
{1}{W}{B}
Athreos, God of Passage
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to white and black is less than seven, Athreos isn't a creature.
Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.
5 /
4
{2}{R}{R}{W}{W}
Aurelia, the Warleader
Legendary Creature - Angel
Flying, vigilance, haste
Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.
3 /
4
{5}{W}{W}{W}
Avacyn, Angel of Hope
Legendary Creature - Angel
Flying, vigilance, indestructible
Other permanents you control have indestructible.
8 /
8
--
Badlands
Land - Swamp Mountain
({T}: Add {B} or {R}.)
{5}{R}{R}
Balefire Dragon
Creature - Dragon
Flying
Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.
6 /
6
{1}{R}
Battle Hymn
Instant
Add {R} for each creature you control.
--
Battlefield Forge
Land
{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.
--
Blackcleave Cliffs
Land
Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {B} or {R}.
{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.
--
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.
{6}{R}{R}
Bogardan Hellkite
Creature - Dragon
Flash
Flying
When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.
5 /
5
{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
{3}{W}
Cast Out
Enchantment
Flash
When Cast Out enters the battlefield, exile target nonland permanent an opponent controls until Cast Out leaves the battlefield.
Cycling {W} ({W}, Discard this card: Draw a card.)
--
Caves of Koilos
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.
--
City of Brass
Land
Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.
{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.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Concealed Courtyard
Land
Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {W} or {B}.
{3}{W}
Congregate
Instant
Target player gains 2 life for each creature on the battlefield.
{R}{W}{B}
Crackling Doom
Instant
Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.
{4}{W}{W}
Dawnbreak Reclaimer
Creature - Angel
Flying
At the beginning of your end step, choose a creature card in an opponent's graveyard, then that player chooses a creature card in your graveyard. You may return those cards to the battlefield under their owners' control.
5 /
5
{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
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{2}{R}
Dragon Egg
Creature - Dragon Egg
Defender
When Dragon Egg dies, create a 2/2 red Dragon creature token with flying and "{R}: This creature gets +1/+0 until end of turn."
0 /
2
{2}{W}
Exile
Instant
Exile target nonwhite attacking creature. You gain life equal to its toughness.
{X}{X}{R}
Fall of the Titans
Instant
Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Fall of the Titans deals X damage to each of up to two targets.
{B}
Fatal Push
Instant
Destroy target creature if it has mana value 2 or less.
Revolt -- Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.
--
Fetid Heath
Land
{T}: Add {C}.
{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.
{2}{R}{W}
Firemane Avenger
Creature - Angel
Flying
Battalion -- Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life.
3 /
3
{3}{W}{W}
Fumigate
Sorcery
Destroy all creatures. You gain 1 life for each creature destroyed this way.
{1}{W}
Gift of Estates
Sorcery
If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.
{4}{R}{W}{W}
Gisela, Blade of Goldnight
Legendary Creature - Angel
Flying, first strike
If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.
5 /
5
{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
--
Godless Shrine
Land - Plains Swamp
({T}: Add {W} or {B}.)
As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Grand Coliseum
Land
Grand Coliseum enters the battlefield tapped.
{T}: Add {C}.
{T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.
--
Graven Cairns
Land
{T}: Add {C}.
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.
{2}
Grim Monolith
Artifact
Grim Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{4}: Untap Grim Monolith.
--
Inspiring Vantage
Land
Inspiring Vantage enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {R} or {W}.
{2}{R}{W}
Iroas, God of Victory
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red and white is less than seven, Iroas isn't a creature.
Creatures you control have menace.
Prevent all damage that would be dealt to attacking creatures you control.
7 /
4
{1}{R}{W}{B}
Kaalia of the Vast
Legendary Creature - Human Cleric
Flying
Whenever Kaalia of the Vast attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent.
2 /
2
{X}{B}
Killing Wave
Sorcery
For each creature, its controller sacrifices it unless they pay X life.
{2}{W}{W}
Linvala, Keeper of Silence
Legendary Creature - Angel
Flying
Activated abilities of creatures your opponents control can't be activated.
3 /
4
{2}{B}{B}{R}{R}
Malfegor
Legendary Creature - Demon Dragon
Flying
When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.
6 /
6
{1}
Mana Cylix
Artifact
{1}, {T}: Add one mana of any color.
{3}{B}{R}
Master of Cruelties
Creature - Demon
First strike, deathtouch
Master of Cruelties can only attack alone.
Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.
1 /
4
{2}{B}{R}
Mogis, God of Slaughter
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to black and red is less than seven, Mogis isn't a creature.
At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.
7 /
5
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Needle Spires
Land
Needle Spires enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{R}{W}: Needle Spires becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land.
{W}
Path to Exile
Instant
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
--
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}.)
{3}{W}{W}{W}
Planar Cleansing
Sorcery
Destroy all nonland permanents.
--
Plateau
Land - Mountain Plains
({T}: Add {R} or {W}.)
{B}{B}{R}{R}
Rakdos, Lord of Riots
Legendary Creature - Demon
You can't cast this spell unless an opponent lost life this turn.
Flying, trample
Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.
6 /
6
{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.
{3}{W}{W}
Righteous Cause
Enchantment
Whenever a creature attacks, you gain 1 life.
--
Rugged Prairie
Land
{T}: Add {C}.
{R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.
--
Rupture Spire
Land
Rupture Spire enters the battlefield tapped.
When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
--
Scrubland
Land - Plains Swamp
({T}: Add {W} or {B}.)
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
--
Shambling Vent
Land
Shambling Vent enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.
{R}
Slumbering Dragon
Creature - Dragon
Flying
Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.
Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.
3 /
3
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{B}{B}{B}
Sorin Markov
Legendary Planeswalker - Sorin
+2: Sorin Markov deals 2 damage to any target and you gain 2 life.
-3: Target opponent's life total becomes 10.
-7: You control target player during that player's next turn.
L:
4
{W}
Soul Snare
Enchantment
{W}, Sacrifice Soul Snare: Exile target creature that's attacking you or a planeswalker you control.
{0}
Spellbook
Artifact
You have no maximum hand size.
{1}{W}{W}
Stasis Snare
Enchantment
Flash (You may cast this spell any time you could cast an instant.)
When Stasis Snare enters the battlefield, exile target creature an opponent controls until Stasis Snare leaves the battlefield. (That creature returns under its owner's control.)
--
Sulfurous Springs
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.
--
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}.)
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{4}{R}{W}{B}
Tariel, Reckoner of Souls
Legendary Creature - Angel
Flying, vigilance
{T}: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control.
4 /
7
--
Temple of Malice
Land
Temple of Malice enters the battlefield tapped.
When Temple of Malice enters the battlefield, scry 1.
{T}: Add {B} or {R}.
--
Temple of Silence
Land
Temple of Silence enters the battlefield tapped.
When Temple of Silence enters the battlefield, scry 1.
{T}: Add {W} or {B}.
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{4}{B}
Tempt with Immortality
Sorcery
Tempting offer -- Return a creature card from your graveyard to the battlefield. Each opponent may return a creature card from their graveyard to the battlefield. For each opponent who does, return a creature card from your graveyard to the battlefield.
{2}
Throne of the God-Pharaoh
Legendary Artifact
At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.
{3}{R}{R}
Thundermaw Hellkite
Creature - Dragon
Flying
Haste (This creature can attack and {T} as soon as it comes under your control.)
When Thundermaw Hellkite enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.
5 /
5
{X}{B}{B}
Torment of Hailfire
Sorcery
Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.
--
Transguild Promenade
Land
Transguild Promenade enters the battlefield tapped.
When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
{B}{B}
Treacherous Pit-Dweller
Creature - Demon
When Treacherous Pit-Dweller enters the battlefield from a graveyard, target opponent gains control of it.
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.)