Whenever Aclazotz attacks, each opponent discards a card. For each opponent who can't, you draw a card.
Whenever an opponent discards a land card, create a 1/1 black Bat creature token with flying.
When Aclazotz dies, return it to the battlefield tapped and transformed under its owner's control.
4 /
4
--
Temple of the Dead
Land
(Transforms from Aclazotz, Deepest Betrayal.)
{T}: Add {B}.
{2}{B}, {T}: Transform Temple of the Dead. Activate only if a player has one or fewer cards in hand and only as a sorcery.
4 /
4
{3}{B}
Ambition's Cost
Sorcery
You draw three cards and you lose 3 life.
{B}
Aphotic Wisps
Instant
Target creature becomes black and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
Draw a card.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{3}{B}{B}
Archfiend of Ifnir
Creature - Demon
Flying
Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.
Cycling {2} ({2}, Discard this card: Draw a card.)
5 /
4
{5}{B}{B}
Archfiend of Spite
Creature - Demon
Flying
Whenever a source an opponent controls deals damage to Archfiend of Spite, that source's controller loses that much life unless they sacrifice that many permanents.
Madness {3}{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.)
6 /
6
{2}{B}{B}
Ashling, the Extinguisher
Legendary Creature - Elemental Shaman
Whenever Ashling, the Extinguisher deals combat damage to a player, choose target creature that player controls. The player sacrifices that creature.
4 /
4
{1}{B}
Augur of Skulls
Creature - Skeleton Wizard
{1}{B}: Regenerate Augur of Skulls.
Sacrifice Augur of Skulls: Target player discards two cards. Activate only during your upkeep.
1 /
1
{4}{B}{B}
Bad Deal
Sorcery
You draw two cards and each opponent discards two cards. Each player loses 2 life.
--
Barad-dûr
Legendary Land
Barad-dûr enters the battlefield tapped unless you control a legendary creature.
{T}: Add {B}.
{X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.
{1}{B}{B}
Big Game Hunter
Creature - Human Rebel Assassin
When Big Game Hunter enters the battlefield, destroy target creature with power 4 or greater. It can't be regenerated.
Madness {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.)
1 /
1
{1}{B}
Bitter Triumph
Instant
As an additional cost to cast this spell, discard a card or pay 3 life.
Destroy target creature or planeswalker.
{2}{B}
Blackbloom Rogue
Creature - Human Rogue
Menace (This creature can't be blocked except by two or more creatures.)
Blackbloom Rogue gets +3/+0 as long as an opponent has eight or more cards in their graveyard.
2 /
3
--
Blackbloom Bog
Land
Blackbloom Bog enters the battlefield tapped.
{T}: Add {B}.
2 /
3
{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
{B}
Blood Pet
Creature - Thrull
Sacrifice Blood Pet: Add {B}.
1 /
1
{2}{B}
Bog Witch
Creature - Human Spellshaper
{B}, {T}, Discard a card: Add {B}{B}{B}.
1 /
1
{B}
Bone Shards
Sorcery
As an additional cost to cast this spell, sacrifice a creature or discard a card.
Destroy target creature or planeswalker.
{1}{B}{B}
Braids, Arisen Nightmare
Legendary Creature - Nightmare
At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.
3 /
3
{6}
Caged Sun
Artifact
As Caged Sun enters the battlefield, choose a color.
Creatures you control of the chosen color get +1/+1.
Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.
{2}
Charcoal Diamond
Artifact
Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.
{2}
Collector's Vault
Artifact
{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{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}
Court of Ambition
Enchantment
When Court of Ambition enters the battlefield, you become the monarch.
At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.
--
Crumbling Vestige
Land
Crumbling Vestige enters the battlefield tapped.
When Crumbling Vestige enters the battlefield, add one mana of any color.
{T}: Add {C}. ({C} represents colorless mana.)
--
Dark Depths
Legendary Snow Land
Dark Depths enters the battlefield with ten ice counters on it.
{3}: Remove an ice counter from Dark Depths.
When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{3}
Decanter of Endless Water
Artifact
You have no maximum hand size.
{T}: Add one mana of any color.
--
Demolition Field
Land
{T}: Add {C}.
{2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
--
Detection Tower
Land
{T}: Add {C}.
{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
{2}{B}{B}
Diabolic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{2}{B}
Dimir Machinations
Sorcery
Look at the top three cards of target player's library. Exile any number of those cards, then put the rest back in any order.
Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
{2}{B}
Dirge of Dread
Sorcery
All creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)
Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)
When you cycle Dirge of Dread, you may have target creature gain fear until end of turn.
{3}{B}
Earsplitting Rats
Creature - Rat
When Earsplitting Rats enters the battlefield, each player discards a card.
Discard a card: Regenerate Earsplitting Rats.
2 /
1
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{2}{B}
Fleshbag Marauder
Creature - Zombie Warrior
When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.
3 /
1
{B}
Ghost-Lit Stalker
Creature - Spirit
{4}{B}, {T}: Target player discards two cards. Activate only as a sorcery.
Channel -- {5}{B}{B}, Discard Ghost-Lit Stalker: Target player discards four cards. Activate only as a sorcery.
1 /
1
{1}{B}{B}
Gix, Yawgmoth Praetor
Legendary Creature - Phyrexian Praetor
Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card.
{4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.
3 /
3
{4}{B}{B}
Goremand
Creature - Demon
As an additional cost to cast this spell, sacrifice a creature.
Flying
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
When Goremand enters the battlefield, each opponent sacrifices a creature.
5 /
5
{1}{B}{B}{B}
Grave Pact
Enchantment
Whenever a creature you control dies, each other player sacrifices a creature.
{4}
Grimoire of the Dead
Legendary Artifact
{1}, {T}, Discard a card: Put a study counter on Grimoire of the Dead.
{T}, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.
{2}{B}
Gríma Wormtongue
Legendary Creature - Human Advisor
Your opponents can't gain life.
{T}, Sacrifice another creature: Target player loses 1 life. If the sacrificed creature was legendary, amass Orcs 2.
1 /
4
{2}{B}
Hellish Rebuke
Instant
Until end of turn, permanents your opponents control gain "When this permanent deals damage to the player who cast Hellish Rebuke, sacrifice this permanent. You lose 2 life."
--
Homeward Path
Land
{T}: Add {C}.
{T}: Each player gains control of all creatures they own.
{4}{B}
Horror of the Broken Lands
Creature - Horror
Whenever you cycle or discard another card, Horror of the Broken Lands gets +2/+1 until end of turn.
Cycling {B} ({B}, Discard this card: Draw a card.)
4 /
4
{2}
Leaden Myr
Artifact Creature - Myr
{T}: Add {B}.
1 /
1
{1}
Library of Leng
Artifact
You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{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
{1}{B}
Macabre Waltz
Sorcery
Return up to two target creature cards from your graveyard to your hand, then discard a card.
{4}{B}
Magus of the Coffers
Creature - Human Wizard
{2}, {T}: Add {B} for each Swamp you control.
4 /
4
{3}
Medicine Bag
Artifact
{1}, {T}, Discard a card: Regenerate target creature.
{2}{B}
Merciless Executioner
Creature - Orc Warrior
When Merciless Executioner enters the battlefield, each player sacrifices a creature.
3 /
1
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{2}
Moonsilver Key
Artifact
{1}, {T}, Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.
{1}{B}
Olivia's Dragoon
Creature - Vampire Berserker
Discard a card: Olivia's Dragoon gains flying until end of turn.
2 /
2
{2}
Ornithopter of Paradise
Artifact Creature - Thopter
Flying
{T}: Add one mana of any color.
0 /
2
{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
{2}{B}
Plaguecrafter
Creature - Human Shaman
When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.
3 /
2
{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
{1}{B}
Reassembling Skeleton
Creature - Skeleton Warrior
{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.
1 /
1
{5}{B}{B}
Rune-Scarred Demon
Creature - Demon
Flying
When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.
6 /
6
{1}
Skeleton Key
Artifact - Equipment
Equipped creature has skulk. (It can't be blocked by creatures with greater power.)
Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card.
Equip {2}
{4}
Skullmead Cauldron
Artifact
{T}: You gain 1 life.
{T}, Discard a card: You gain 3 life.
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
--
Snow-Covered Swamp
Basic Snow Land - Swamp
({T}: Add {B}.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters the battlefield, 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
{1}{B}
Strongarm Tactics
Sorcery
Each player discards a card. Then each player who didn't discard a creature card this way loses 4 life.
{3}{B}{B}
Tergrid, God of Fright
Legendary Creature - God
Menace
Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.
4 /
5
--
Tergrid's Lantern
Legendary Artifact
{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.
{3}{B}: Untap Tergrid's Lantern.
4 /
5
{5}
The Deck of Many Things
Legendary Artifact
{2}, {T}: Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.
1--9 | Return a card at random from your graveyard to your hand.
10--19 | Draw two cards.
20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.
{4}{B}
The Eldest Reborn
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I -- Each opponent sacrifices a creature or planeswalker.
II -- Each opponent discards a card.
III -- Put target creature or planeswalker card from a graveyard onto the battlefield under your control.
{4}{B}{B}
The Haunt of Hightower
Legendary Creature - Vampire
Flying, lifelink
Whenever The Haunt of Hightower attacks, defending player discards a card.
Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.
3 /
3
--
Thespian's Stage
Land
{T}: Add {C}.
{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{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.
{B}
Unearth
Sorcery
Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
{1}{B/P}
Vault Skirge
Artifact Creature - Phyrexian Imp
({B/P} can be paid with either {B} or 2 life.)
Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
1 /
1
{2}{B}
Virtus's Maneuver
Sorcery
For each player, choose friend or foe. Each friend returns a creature card from their graveyard to their hand. Each foe sacrifices a creature they control.
{2}{B}
Wasteland Scorpion
Creature - Scorpion
Deathtouch
Cycling {2} ({2}, Discard this card: Draw a card.)
2 /
2
{3}{B}{B}
Witch-king of Angmar
Legendary Creature - Wraith Noble
Flying
Whenever one or more creatures deal combat damage to you, each opponent sacrifices a creature that dealt combat damage to you this turn. The Ring tempts you.
Discard a card: Witch-king of Angmar gains indestructible until end of turn. Tap it.
5 /
3
{1}{B}
Without Weakness
Instant
Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)
Cycling {2} ({2}, Discard this card: Draw a card.)