Return all attacking creatures to their owner's hand.
{1}{U}{U}
Ambassador Laquatus
Legendary Creature - Merfolk Wizard
{3}: Target player mills three cards.
1 /
3
{4}{U}
Belltower Sphinx
Creature - Sphinx
Flying
Whenever a source deals damage to Belltower Sphinx, that source's controller mills that many cards.
2 /
5
{3}{U}
Bond of Insight
Sorcery
Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.
{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.
{U}
Cathartic Adept
Creature - Human Wizard
{T}: Target player mills a card.
1 /
1
{1}{U}
Chronic Flooding
Enchantment - Aura
Enchant land
Whenever enchanted land becomes tapped, its controller mills three cards.
{1}
Codex Shredder
Artifact
{T}: Target player mills a card. (They put the top card of their library into their graveyard.)
{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.
{2}{U}{U}
Countermand
Instant
Counter target spell. Its controller mills four cards.
{1}{U}
Crosstown Courier
Creature - Vedalken
Whenever Crosstown Courier deals combat damage to a player, that player mills that many cards.
2 /
1
{4}{U}
Curse of Echoes
Enchantment - Aura Curse
Enchant player
Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control.
{6}{U}
Curse of Unbinding
Enchantment - Aura Curse
Enchant player
At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.
{2}{U}
Curse of Verbosity
Enchantment - Aura Curse
Enchant player
Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.
{2}{U}
Curse of the Bloody Tome
Enchantment - Aura Curse
Enchant player
At the beginning of enchanted player's upkeep, that player mills two cards.
{4}{U}{U}
Cut Your Losses
Sorcery
Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.)
Target player mills half their library, rounded down.
{U}
Dakra Mystic
Creature - Merfolk Wizard
{U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card.
1 /
1
{3}
Darksteel Plate
Artifact - Equipment
Indestructible
Equipped creature has indestructible.
Equip {2}
{4}
Decimator Web
Artifact
{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.
{1}{U}{U}
Didn't Say Please
Instant
Counter target spell. Its controller mills three cards.
{1}{U}
Diligent Excavator
Creature - Human Artificer
Whenever you cast a historic spell, target player mills two cards. (Artifacts, legendaries, and Sagas are historic.)
1 /
3
{U}
Dream Twist
Instant
Target player mills three cards.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{U}
Drowned Secrets
Enchantment
Whenever you cast a blue spell, target player mills two cards.
{U}
Drowner Initiate
Creature - Merfolk Wizard
Whenever a player casts a blue spell, you may pay {1}. If you do, target player mills two cards.
1 /
1
{2}{U}
Drowner of Secrets
Creature - Merfolk Wizard
Tap an untapped Merfolk you control: Target player mills a card.
1 /
3
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{1}
Elixir of Immortality
Artifact
{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.
{2}{U}
Feywild Visitor
Legendary Enchantment - Background
Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."
{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.
{U}{U}{U}
Fractured Sanity
Sorcery
Each opponent mills fourteen cards.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
When you cycle Fractured Sanity, each opponent mills four cards.
{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.
{1}
Ghoulcaller's Bell
Artifact
{T}: Each player mills a card.
{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.
{U}
Hedron Crab
Creature - Crab
Landfall -- Whenever a land enters the battlefield under your control, target player mills three cards.
0 /
2
{U}
High Tide
Instant
Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.
{1}{U}{U}
Imperious Mindbreaker
Creature - Human Wizard
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Imperious Mindbreaker is paired with another creature, each of those creatures has "Whenever this creature attacks, each opponent mills cards equal to its toughness."
1 /
4
--
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}.)
--
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}.)
--
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}.)
--
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}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{U}
Jace's Erasure
Enchantment
Whenever you draw a card, you may have target player mill a card.
{6}
Keening Stone
Artifact
{5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard.
{1}{U}
Maddening Cacophony
Sorcery
Kicker {3}{U}
Each opponent mills eight cards. If this spell was kicked, instead each opponent mills half their library, rounded up.
{1}{U}
Manic Scribe
Creature - Human Wizard
When Manic Scribe enters the battlefield, each opponent mills three cards.
Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.
0 /
3
{1}{U}{U}
Memory Erosion
Enchantment
Whenever an opponent casts a spell, that player mills two cards.
{2}
Millstone
Artifact
{2}, {T}: Target player mills two cards.
{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.)
{2}{U}
Mystic Redaction
Enchantment
At the beginning of your upkeep, scry 1.
Whenever you discard a card, each opponent mills two cards. (They put the top two cards of their library into their graveyard.)
{1}{U}
Negate
Instant
Counter target noncreature spell.
{U}
Opt
Instant
Scry 1.
Draw a card.
{U}
Overwhelmed Apprentice
Creature - Human Wizard
When Overwhelmed Apprentice enters the battlefield, each opponent mills two cards. Then you scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
1 /
2
{5}
Pariah's Shield
Artifact - Equipment
All damage that would be dealt to you is dealt to equipped creature instead.
Equip {3}
{3}{U}{U}
Patient Rebuilding
Enchantment
At the beginning of your upkeep, target opponent mills three cards, then you draw a card for each land card put into their graveyard this way.
{2}{U}
Psychic Corrosion
Enchantment
Whenever you draw a card, each opponent mills two cards.
{4}{U}
Psychic Spiral
Instant
Shuffle all cards from your graveyard into your library. Target player mills that many cards.
{U}
Ruin Crab
Creature - Crab
Landfall -- Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)
0 /
3
{2}{U}
Sage's Row Denizen
Creature - Vedalken Wizard
Whenever another blue creature enters the battlefield under your control, target player mills two cards.
2 /
3
{5}{U}{U}
Sphinx Mindbreaker
Creature - Sphinx
Flying
When Sphinx Mindbreaker enters the battlefield, each opponent mills ten cards.
6 /
6
{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.
{U}
Stream of Thought
Sorcery
Target player mills four cards. You shuffle up to four cards from your graveyard into your library.
Replicate {2}{U}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
{2}{U}
Teferi's Tutelage
Enchantment
When Teferi's Tutelage enters the battlefield, draw a card, then discard a card.
Whenever you draw a card, target opponent mills two cards. (They put the top two cards of their library into their graveyard.)
{1}{U}{U}
Thought Collapse
Instant
Counter target spell. Its controller mills three cards.
{U}
Thought Scour
Instant
Target player mills two cards.
Draw a card.
{U}
Tome Scour
Sorcery
Target player mills five cards.
{3}{U}{U}
Traumatize
Sorcery
Target player mills half their library, rounded down.
{4}
Umbilicus
Artifact
At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.
{1}{U}
Vantress Gargoyle
Artifact Creature - Gargoyle
Flying
Vantress Gargoyle can't attack unless defending player has seven or more cards in their graveyard.
Vantress Gargoyle can't block unless you have four or more cards in hand.
{T}: Each player mills a card.
5 /
4
{1}{U}
Winds of Rebuke
Instant
Return target nonland permanent to its owner's hand. Each player mills two cards.
{2}{U}
Zellix, Sanity Flayer
Legendary Creature - Horror
Hive Mind -- Whenever a player mills one or more creature cards, you create a 1/1 black Horror creature token.
{1}, {T}: Target player mills three cards.
Choose a Background (You can have a Background as a second commander.)