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
{4}
Aetherflux Reservoir
Artifact
Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.
Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.
{3}{B}
Baleful Mastery
Instant
You may pay {1}{B} rather than pay this spell's mana cost.
If the {1}{B} cost was paid, an opponent draws a card.
Exile target creature or planeswalker.
--
Barren Moor
Land
Barren Moor enters the battlefield tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)
{1}{B}
Bitterblossom
Tribal Enchantment - Faerie
At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.
{2}{B}
Black Market Connections
Enchantment
At the beginning of your precombat main phase, choose one or more --
• Sell Contraband -- Create a Treasure token. You lose 1 life.
• Buy Information -- Draw a card. You lose 2 life.
• Hire a Mercenary -- Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)
{1}{B}{B}{B}
Bloodletter of Aclazotz
Creature - Vampire Demon
Flying
If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)
2 /
4
{3}{B}{B}{B}
Bolas's Citadel
Legendary Artifact
You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.
{T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
{3}{R}{R}
Bonehoard Dracosaur
Creature - Dinosaur Dragon
Flying, first strike
At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3/1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.
5 /
5
--
Boseiju, Who Shelters All
Legendary Land
Boseiju, Who Shelters All enters the battlefield tapped.
{T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.
{5}{B}{B}
Breach the Multiverse
Sorcery
Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.
{2}{U}{R}
Bria, Riptide Rogue
Legendary Creature - Otter Rogue
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Other creatures you control have prowess. (If a creature has multiple instances of prowess, each triggers separately.)
Whenever you cast a noncreature spell, target creature you control can't be blocked this turn.
3 /
3
{B}
Bubbling Muck
Sorcery
Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.
{1}{B}
Call of the Ring
Enchantment
At the beginning of your upkeep, the Ring tempts you.
Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.
{6}
Chimil, the Inner Sun
Legendary Artifact
Spells you control can't be countered.
At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
{1}
Commander's Plate
Artifact - Equipment
Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.
Equip commander {3}
Equip {5}
{6}
Coveted Jewel
Artifact
When Coveted Jewel enters the battlefield, draw three cards.
{T}: Add three mana of any one color.
Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.
{B}
Darkness
Instant
Prevent all combat damage that would be dealt this turn.
{B}
Defile
Instant
Target creature gets -1/-1 until end of turn for each Swamp you control.
--
Deserted Temple
Land
{T}: Add {C}.
{1}, {T}: Untap target land.
{3}{B}
Erebos, God of the Dead
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
Your opponents can't gain life.
{1}{B}, Pay 2 life: Draw a card.
5 /
7
{3}
Extraplanar Lens
Artifact
Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.
Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.
{1}{B}
Feed the Swarm
Sorcery
Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.
{3}{B}{B}
Fiend of the Shadows
Creature - Vampire Wizard
Flying
Whenever Fiend of the Shadows deals combat damage to a player, that player exiles a card from their hand. You may play that card for as long as it remains exiled.
Sacrifice a Human: Regenerate Fiend of the Shadows.
3 /
3
{1}{B}{B}
Force of Despair
Instant
If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost.
Destroy all creatures that entered the battlefield this turn.
--
Gemstone Caverns
Legendary Land
If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.
{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
{1}{B}
Gollum, Obsessed Stalker
Legendary Creature - Halfling Horror
Skulk (This creature can't be blocked by creatures with greater power.)
At the beginning of your end step, each opponent dealt combat damage this game by a creature named Gollum, Obsessed Stalker loses life equal to the amount of life you gained this turn.
1 /
1
--
Homeward Path
Land
{T}: Add {C}.
{T}: Each player gains control of all creatures they own.
{1}{B}
Imp's Mischief
Instant
Change the target of target spell with a single target. You lose life equal to that spell's mana value.
{B}
Imperial Seal
Sorcery
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
{B}
Kaya's Ghostform
Enchantment - Aura
Enchant creature or planeswalker you control
When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.
{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}
Long Goodbye
Instant
This spell can't be countered. (This includes by the ward ability.)
Destroy target creature or planeswalker with mana value 3 or less.
{2}{B}{B}
Massacre Girl, Known Killer
Legendary Creature - Human Assassin
Menace
Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)
Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.
4 /
4
--
Maze of Ith
Land
{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
{5}
Memory Jar
Artifact
{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.
{3}{B}
Mirkwood Bats
Creature - Bat
Flying
Whenever you create or sacrifice a token, each opponent loses 1 life.
2 /
3
{0}
Mox Amber
Legendary Artifact
{T}: Add one mana of any color among legendary creatures and planeswalkers you control.
{2}{B}{B}
Mutilate
Sorcery
All creatures get -1/-1 until end of turn for each Swamp you control.
{2}{B}
Nadier's Nightblade
Creature - Elf Warrior
Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.
1 /
3
{1}{B}
Orcish Bowmasters
Creature - Orc Archer
Flash
When Orcish Bowmasters enters the battlefield and whenever an opponent draws a card except the first one they draw in each of their draw steps, Orcish Bowmasters deals 1 damage to any target. Then amass Orcs 1.
1 /
1
{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
{B}
Phyrexian Reclamation
Enchantment
{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.
{2}{B}
Saw in Half
Instant
Destroy target creature. If that creature dies this way, its controller creates two tokens that are copies of that creature, except their base power is half that creature's power and their base toughness is half that creature's toughness. Round up each time.
--
Shizo, Death's Storehouse
Legendary Land
{T}: Add {B}.
{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
{0}
Slaughter Pact
Instant
Destroy target nonblack creature.
At the beginning of your next upkeep, pay {2}{B}. If you don't, you lose the game.
{2}{B}
Soul Shatter
Instant
Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.
{1}{B}{B}
Sudden Spoiling
Instant
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.
--
Takenuma, Abandoned Mire
Legendary Land
{T}: Add {B}.
Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.
{2}
Talisman of Indulgence
Artifact
{T}: Add {C}.
{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.
{B}{B}{B}{B}
Temporal Extortion
Sorcery
When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion.
Take an extra turn after this one.
{X}{B}{B}
The Meathook Massacre
Legendary Enchantment
When The Meathook Massacre enters the battlefield, each creature gets -X/-X until end of turn.
Whenever a creature you control dies, each opponent loses 1 life.
Whenever a creature an opponent controls dies, you gain 1 life.
{5}
Throne of Eldraine
Legendary Artifact
As Throne of Eldraine enters the battlefield, choose a color.
{T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color.
{3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability.
{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.
{2}{B}
Toxic Deluge
Sorcery
As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.
{5}{B}{B}{B}
Vilis, Broker of Blood
Legendary Creature - Demon
Flying
{B}, Pay 2 life: Target creature gets -1/-1 until end of turn.
Whenever you lose life, draw that many cards. (Damage causes loss of life.)
8 /
8
--
War Room
Land
{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.
{1}{B}
Withering Boon
Instant
As an additional cost to cast this spell, pay 3 life.