Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter).
{T}, Pay six {E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
{2}
Altar of Dementia
Artifact
Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
{3}{U}{U}
Archive Trap
Instant - Trap
If an opponent searched their library this turn, you may pay {0} rather than pay this spell's mana cost.
Target opponent mills thirteen cards.
{1}{U/B}{U/B}
Ashiok, Dream Render
Legendary Planeswalker - Ashiok
Spells and abilities your opponents control can't cause their controller to search their library.
-1: Target player mills four cards. Then exile each opponent's graveyard.
L:
5
{1}{U}{B}
Ashiok, Nightmare Weaver
Legendary Planeswalker - Ashiok
+2: Exile the top three cards of target opponent's library.
-X: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.
-10: Exile all cards from all opponents' hands and graveyards.
L:
3
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
--
Cephalid Coliseum
Land
{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.
Threshold -- {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.
{4}{U}{U}{U}
Chancellor of the Spires
Creature - Phyrexian Sphinx
You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards.
Flying
When Chancellor of the Spires enters the battlefield, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.
5 /
7
--
Choked Estuary
Land
As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.
{T}: Add {U} or {B}.
{4}{U/B}
Coerced Confession
Sorcery
Target player mills four cards. You draw a card for each creature card put into their graveyard this way.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{U}{B}
Consuming Aberration
Creature - Horror
Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.
Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.
* /
*
{3}{B}
Cunning Advisor
Creature - Human Advisor
{T}: Target opponent discards a card. Activate only during your turn, before attackers are declared.
1 /
1
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
--
Darkwater Catacombs
Land
{1}, {T}: Add {U}{B}.
{4}
Decimator Web
Artifact
{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.
--
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.
{1}{U}{U}
Didn't Say Please
Instant
Counter target spell. Its controller mills three cards.
--
Dimir Aqueduct
Land
Dimir Aqueduct enters the battlefield tapped.
When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{B}.
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
{3}
Dimir Locket
Artifact
{T}: Add {U} or {B}.
{U/B}{U/B}{U/B}{U/B}, {T}, Sacrifice Dimir Locket: Draw two cards.
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{4}
Dingus Egg
Artifact
Whenever a land is put into a graveyard from the battlefield, Dingus Egg deals 2 damage to that land's controller.
{X}{B}{B}
Dread Summons
Sorcery
Each player mills X cards. For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token.
{2}{U}{U}
Dreamborn Muse
Creature - Spirit
At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.
2 /
2
{1}{U}
Drowned Secrets
Enchantment
Whenever you cast a blue spell, target player mills two cards.
{2}{U}{U}{B}
Enter the God-Eternals
Sorcery
Enter the God-Eternals deals 4 damage to target creature and you gain life equal to the damage dealt this way. Target player mills four cards. Amass 4. (Put four +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
{5}{U}{U}
Fleet Swallower
Creature - Fish
Whenever Fleet Swallower attacks, target player mills half their library, rounded up.
6 /
6
{1}{U}
Folio of Fancies
Artifact
Players have no maximum hand size.
{X}{X}, {T}: Each player draws X cards.
{2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.
{X}{B}{B}
Frankenstein's Monster
Creature - Zombie
As Frankenstein's Monster enters the battlefield, exile X creature cards from your graveyard. If you can't, put Frankenstein's Monster into its owner's graveyard instead of onto the battlefield. For each creature card exiled this way, Frankenstein's Monster enters the battlefield with a +2/+0, +1/+1, or +0/+2 counter on it.
0 /
1
{2}{U}
Fraying Sanity
Enchantment - Aura Curse
Enchant player
At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.
{U}{B}
Glimpse the Unthinkable
Sorcery
Target player mills ten cards.
{2}
Grindclock
Artifact
{T}: Put a charge counter on Grindclock.
{T}: Target player mills X cards, where X is the number of charge counters on Grindclock.
{2}{B}{B}
Grisly Spectacle
Instant
Destroy target nonartifact creature. Its controller mills cards equal to that creature's power.
{X}{U}
Increasing Confusion
Sorcery
Target player mills X cards. If this spell was cast from a graveyard, that player mills twice that many cards instead.
Flashback {X}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{U}{U}
Induce Paranoia
Instant
Counter target spell. If {B} was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value.
{2}{U}
Induced Amnesia
Enchantment
When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards.
When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{3}{U}{U}
Jace, Memory Adept
Legendary Planeswalker - Jace
+1: Draw a card. Target player mills a card.
0: Target player mills ten cards.
-7: Any number of target players each draw twenty cards.
L:
4
--
Karn's Bastion
Land
{T}: Add {C}.
{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{6}
Keening Stone
Artifact
{5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard.
{U}{U}{B}{B}
Lazav, Dimir Mastermind
Legendary Creature - Shapeshifter
Hexproof
Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.
3 /
3
{U}{B}
Lim-Dûl's Vault
Instant
Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.
{2}
Lotus Blossom
Artifact
At the beginning of your upkeep, you may put a petal counter on Lotus Blossom.
{T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X is the number of petal counters on Lotus Blossom.
{1}{U}{U}
Memory Erosion
Enchantment
Whenever an opponent casts a spell, that player mills two cards.
{1}{U}{B}
Mind Funeral
Sorcery
Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.
{X}{U}{B}
Mind Grind
Sorcery
Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.
{1}{U}
Mind Sculpt
Sorcery
Target opponent mills seven cards.
{2}
Mindcrank
Artifact
Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)
{U}
Minister of Inquiries
Creature - Vedalken Advisor
When Minister of Inquiries enters the battlefield, you get {E}{E} (two energy counters).
{T}, Pay {E}: Target player mills three cards.
1 /
2
{3}{U}{B}
Mirko Vosk, Mind Drinker
Legendary Creature - Vampire
Flying
Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard.
2 /
4
{3}{U}{B}
Nemesis of Reason
Creature - Leviathan Horror
Whenever Nemesis of Reason attacks, defending player mills ten cards.
3 /
7
--
Nephalia Drownyard
Land
{T}: Add {C}.
{1}{U}{B}, {T}: Target player mills three cards.
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{1}{U}
Persistent Petitioners
Creature - Human Advisor
{1}, {T}: Target player mills a card.
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.
1 /
3
{3}{U}{B}
Phenax, God of Deception
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to blue and black is less than seven, Phenax isn't a creature.
Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."
4 /
7
{B}
Planar Void
Enchantment
Whenever another card is put into a graveyard from anywhere, exile that card.
{2}{U}
Psychic Corrosion
Enchantment
Whenever you draw a card, each opponent mills two cards.
{U}
Quest for Ancient Secrets
Enchantment
Whenever a card is put into your graveyard from anywhere, you may put a quest counter on Quest for Ancient Secrets.
Remove five quest counters from Quest for Ancient Secrets and sacrifice it: Target player shuffles their graveyard into their library.
{2}{B}{B}
Ravenous Trap
Instant - Trap
If an opponent had three or more cards put into their graveyard from anywhere this turn, you may pay {0} rather than pay this spell's mana cost.
Exile target player's graveyard.
{B}
Shared Trauma
Sorcery
Join forces -- Starting with you, each player may pay any amount of mana. Each player mills X cards, where X is the total amount of mana paid this way.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{U}
Spark Double
Creature - Illusion
You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.
0 /
0
{2}{U}
Sphinx's Tutelage
Enchantment
Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process.
{5}{U}: Draw a card, then discard a card.
{2}{U}{U}
Startled Awake
Sorcery
Target opponent mills thirteen cards.
{3}{U}{U}: Put Startled Awake from your graveyard onto the battlefield transformed. Activate only as a sorcery.
--
Persistent Nightmare
Creature - Nightmare
Skulk (This creature can't be blocked by creatures with greater power.)
When Persistent Nightmare deals combat damage to a player, return it to its owner's hand.
--
Submerged Boneyard
Land
Submerged Boneyard enters the battlefield tapped.
{T}: Add {U} or {B}.
--
Svyelunite Temple
Land
Svyelunite Temple enters the battlefield tapped.
{T}: Add {U}.
{T}, Sacrifice Svyelunite Temple: Add {U}{U}.
--
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}.)
--
Temple of Deceit
Land
Temple of Deceit enters the battlefield tapped.
When Temple of Deceit enters the battlefield, scry 1.
{T}: Add {U} or {B}.
{1}{U}{U}
Thought Collapse
Instant
Counter target spell. Its controller mills three cards.
{4}
Thought Dissector
Artifact
{X}, {T}: Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice Thought Dissector. Put the rest of the revealed cards into that player's graveyard.
{U}
Tome Scour
Sorcery
Target player mills five cards.
{3}{U}{U}
Traumatize
Sorcery
Target player mills half their library, rounded down.
{5}{U}
Tunnel Vision
Sorcery
Choose a card name. Target player reveals cards from the top of their library until a card with that name is revealed. If it is, that player puts the rest of the revealed cards into their graveyard and puts the card with the chosen name on top of their library. Otherwise, the player shuffles.
{1}{U}
Wall of Lost Thoughts
Creature - Wall
Defender
When Wall of Lost Thoughts enters the battlefield, target player mills four cards.
0 /
4
--
Watery Grave
Land - Island Swamp
({T}: Add {U} or {B}.)
As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{B}
Wight of Precinct Six
Creature - Zombie
Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.
1 /
1
--
Witch's Cottage
Land - Swamp
({T}: Add {B}.)
Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.
When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.