{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.
{4}{W}{W}{B}{B}
Ashen Rider
Creature - Archon
Flying
When Ashen Rider enters the battlefield or dies, exile target permanent.
5 /
5
{1}{B/R}{B/R}{B/R}
Ashenmoor Liege
Creature - Elemental Knight
Other black creatures you control get +1/+1.
Other red creatures you control get +1/+1.
Whenever Ashenmoor Liege becomes the target of a spell or ability an opponent controls, that player loses 4 life.
4 /
1
{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
--
Badlands
Land - Swamp Mountain
({T}: Add {B} or {R}.)
{2}{R/W}{R/W}{R/W}
Balefire Liege
Creature - Spirit Horror
Other red creatures you control get +1/+1.
Other white creatures you control get +1/+1.
Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.
Whenever you cast a white spell, you gain 3 life.
2 /
4
{B}{B}{R}
Bedevil
Instant
Destroy target artifact, creature, or planeswalker.
{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.
--
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.
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{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
--
Cabal Coffers
Land
{2}, {T}: Add {B} for each Swamp you control.
--
Canyon Slough
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Canyon Slough enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
{3}{W}{W}
Cleansing Nova
Sorcery
Choose one --
• Destroy all creatures.
• Destroy all artifacts and enchantments.
--
Clifftop Retreat
Land
Clifftop Retreat enters tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{2}{B}{B}
Damnation
Sorcery
Destroy all creatures. They can't be regenerated.
{1}{B}
Dead Man's Chest
Enchantment - Aura
Enchant creature an opponent controls
When enchanted creature dies, exile cards equal to its power from the top of its owner's library. You may cast spells from among those cards for as long as they remain exiled, and you may spend mana as though it were mana of any type to cast those spells.
{2}{W/B}{W/B}{W/B}
Deathbringer Liege
Creature - Horror
Other white creatures you control get +1/+1.
Other black creatures you control get +1/+1.
Whenever you cast a white spell, you may tap target creature.
Whenever you cast a black spell, you may destroy target creature if it's tapped.
3 /
4
{4}{B}{R}
Deathbringer Thoctar
Creature - Zombie Beast
Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar.
Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target.
3 /
3
{4}
Deathrender
Artifact - Equipment
Equipped creature gets +2/+2.
Whenever equipped creature dies, you may put a creature card from your hand onto the battlefield and attach Deathrender to it.
Equip {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
{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}.
{B}{R}
Dreadbore
Sorcery
Destroy target creature or planeswalker.
{2}{W}{B}
Elenda, the Dusk Rose
Legendary Creature - Vampire Knight
Lifelink
Whenever another creature dies, put a +1/+1 counter on Elenda, the Dusk Rose.
When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power.
1 /
1
--
Fetid Heath
Land
{T}: Add {C}.
{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.
{2}{B}
Flesh Carver
Creature - Human Wizard
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
{1}{B}, Sacrifice another creature: Put two +1/+1 counters on Flesh Carver.
When Flesh Carver dies, create an X/X black Horror creature token, where X is Flesh Carver's power.
2 /
2
{3}{W}{W}
Fumigate
Sorcery
Destroy all creatures. You gain 1 life for each creature destroyed this way.
{2}{R}
Goblin Sharpshooter
Creature - Goblin
Goblin Sharpshooter doesn't untap during your untap step.
Whenever a creature dies, untap Goblin Sharpshooter.
{T}: Goblin Sharpshooter deals 1 damage to any target.
1 /
1
--
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.
{1}{B}{B}{B}
Grave Pact
Enchantment
Whenever a creature you control dies, each other player sacrifices a creature.
--
Graven Cairns
Land
{T}: Add {C}.
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.
{1}{W}{W}
Hallowed Spiritkeeper
Creature - Avatar
Vigilance
When Hallowed Spiritkeeper dies, create X 1/1 white Spirit creature tokens with flying, where X is the number of creature cards in your graveyard.
3 /
2
{X}{X}
Hangarback Walker
Artifact Creature - Construct
Hangarback Walker enters with X +1/+1 counters on it.
When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.
{1}, {T}: Put a +1/+1 counter on Hangarback Walker.
0 /
0
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{1}{B}{B}
Hero's Downfall
Instant
Destroy target creature or planeswalker.
{3}{R}{R}
Hour of Devastation
Sorcery
All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.
{3}{W}{W}{W}
Hour of Revelation
Sorcery
This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield.
Destroy all nonland permanents.
--
Isolated Chapel
Land
Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.
{T}: Add {W} or {B}.
{1}{B}{R}
Judith, the Scourge Diva
Legendary Creature - Human Shaman
Other creatures you control get +1/+0.
Whenever a nontoken creature you control dies, Judith, the Scourge Diva deals 1 damage to any target.
2 /
2
{4}{B}{B}
Kokusho, the Evening Star
Legendary Creature - Dragon Spirit
Flying
When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.
5 /
5
{1}{B}{B}
Liliana, Heretical Healer
Legendary Creature - Human Cleric
Lifelink
Whenever another nontoken creature you control dies, exile Liliana, Heretical Healer, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.
2 /
3
--
Liliana, Defiant Necromancer
Legendary Planeswalker - Liliana
+2: Each player discards a card.
-X: Return target nonlegendary creature card with mana value X from your graveyard to the battlefield.
-8: You get an emblem with "Whenever a creature dies, return it to the battlefield under your control at the beginning of the next end step."
2 /
3
--
Marsh Flats
Land
{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.
{3}{B}{B}{B}
Massacre Wurm
Creature - Phyrexian Wurm
When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.
Whenever a creature an opponent controls dies, that player loses 2 life.
6 /
5
{R}{W}{B}
Mathas, Fiend Seeker
Legendary Creature - Vampire
Menace
At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."
3 /
3
{4}{W}{B}
Merciless Eviction
Sorcery
Choose one --
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all planeswalkers.
{4}{B}
Night Incarnate
Creature - Elemental
Deathtouch
When Night Incarnate leaves the battlefield, all creatures get -3/-3 until end of turn.
Evoke {3}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
3 /
4
{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}{B}{B}
Open the Graves
Enchantment
Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.
{3}{R}
Outpost Siege
Enchantment
As Outpost Siege enters, choose Khans or Dragons.
• Khans -- At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons -- Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.
{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
--
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}.)
--
Plateau
Land - Mountain Plains
({T}: Add {R} or {W}.)
{3}{W}
Proper Burial
Enchantment
Whenever a creature you control dies, you gain life equal to that creature's toughness.
{2}{R}{R}
Rekindling Phoenix
Creature - Phoenix
Flying
When Rekindling Phoenix dies, create a 0/1 red Elemental creature token with "At the beginning of your upkeep, sacrifice this creature and return target card named Rekindling Phoenix from your graveyard to the battlefield. It gains haste until end of turn."
4 /
3
{4}{W}
Reveillark
Creature - Elemental
Flying
When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.
Evoke {5}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
4 /
3
{4}{B}
Revel in Riches
Enchantment
Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
At the beginning of your upkeep, if you control ten or more Treasures, you win the game.
--
Rugged Prairie
Land
{T}: Add {C}.
{R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.
{5}{R}
Ryusei, the Falling Star
Legendary Creature - Dragon Spirit
Flying
When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.
5 /
5
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{2}{B}{B}
Sangromancer
Creature - Vampire Shaman
Flying
Whenever a creature an opponent controls dies, you may gain 3 life.
Whenever an opponent discards a card, you may gain 3 life.
3 /
3
--
Scrubland
Land - Plains Swamp
({T}: Add {W} or {B}.)
--
Smoldering Marsh
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{5}{R}{R}
Stalking Vengeance
Creature - Avatar
Haste
Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.
5 /
5
{4}{W}{W}
Sun Titan
Creature - Giant
Vigilance
Whenever Sun Titan enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.
6 /
6
--
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}.)
--
Tainted Field
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.
--
Tainted Peak
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Activate only if you control a Swamp.
{2}{W}
Teferi's Protection
Instant
Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)
Exile Teferi's Protection.
{2}{W}{B}
Teysa Karlov
Legendary Creature - Human Advisor
If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Creature tokens you control have vigilance and lifelink.
2 /
4
{1}{W}{B}
Teysa, Orzhov Scion
Legendary Creature - Human Advisor
Sacrifice three white creatures: Exile target creature.
Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.
2 /
3
{3}{B}{R}
The Scorpion God
Legendary Creature - God
Whenever a creature with a -1/-1 counter on it dies, draw a card.
{1}{B}{R}: Put a -1/-1 counter on another target creature.
When The Scorpion God dies, return it to its owner's hand at the beginning of the next end step.
6 /
5
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{2}{W}{B}
Utter End
Instant
Exile target nonland permanent.
--
Vault of the Archangel
Land
{T}: Add {C}.
{2}{W}{B}, {T}: Creatures you control gain deathtouch and lifelink until end of turn.
{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.
{1}{W}{B}
Vindicate
Sorcery
Destroy target permanent.
{3}{B}
Vindictive Lich
Creature - Zombie Wizard
When Vindictive Lich dies, choose one or more. Each mode must target a different player.
• Target opponent sacrifices a creature.
• Target opponent discards two cards.
• Target opponent loses 5 life.
4 /
1
{3}{B}{R}
Void
Sorcery
Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all nonland cards with mana value equal to the number.
{2}{B}{B}
Vraska's Contempt
Instant
Exile target creature or planeswalker. You gain 2 life.
{2}{W}{W}
Wrath of God
Sorcery
Destroy all creatures. They can't be regenerated.
{6}
Wurmcoil Engine
Artifact Creature - Phyrexian Wurm
Deathtouch, lifelink
When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.
6 /
6
{4}{W}{W}
Yosei, the Morning Star
Legendary Creature - Dragon Spirit
Flying
When Yosei, the Morning Star dies, target player skips their next untap step. Tap up to five target permanents that player controls.