Whenever another permanent enters the battlefield under your control, each opponent mills a card.
--
Ancient Tomb
Land
{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{U}
Back to Basics
Enchantment
Nonbasic lands don't untap during their controllers' untap steps.
{1}{U}
Brain Freeze
Instant
Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
{2}{U}
Bruvac the Grandiloquent
Legendary Creature - Human Advisor
If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)
1 /
4
--
Cavern of Souls
Land
As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
--
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.
{0}
Chrome Mox
Artifact
Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.
{U}{U}
Counterspell
Instant
Counter target spell.
{1}{U}
Cyclonic Rift
Instant
Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{U}
Dispel
Instant
Counter target instant spell.
{1}{U}
Dramatic Reversal
Instant
Untap all nonland permanents you control.
{1}{U}
Drowned Secrets
Enchantment
Whenever you cast a blue spell, target player mills two cards.
{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.
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{U}
Flusterstorm
Instant
Counter target instant or sorcery spell unless its controller pays {1}.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
{1}{U}{U}
Force of Negation
Instant
If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.
Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{3}{U}{U}
Force of Will
Instant
You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.
{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/P}
Gitaxian Probe
Sorcery
({U/P} can be paid with either {U} or 2 life.)
Look at target player's hand.
Draw a card.
{1}
Grafdigger's Cage
Artifact
Creature cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.
{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}
Isochron Scepter
Artifact
Imprint -- When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
{1}{U}{U}{U}
Jace, Wielder of Mysteries
Legendary Planeswalker - Jace
If you would draw a card while your library has no cards in it, you win the game instead.
+1: Target player mills two cards. Draw a card.
-8: Draw seven cards. Then if your library has no cards in it, you win the game.
L:
4
{0}
Lotus Petal
Artifact
{T}, Sacrifice Lotus Petal: Add one mana of any color.
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{U}{U}
Mana Drain
Instant
Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
{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.
{U/P}
Mental Misstep
Instant
({U/P} can be paid with either {U} or 2 life.)
Counter target spell with mana value 1.
{2}
Mesmeric Orb
Artifact
Whenever a permanent becomes untapped, that permanent's controller mills a card.
{U}
Miscast
Instant
Counter target instant or sorcery spell unless its controller pays {3}.
{0}
Mox Diamond
Artifact
If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add one mana of any color.
{0}
Mox Opal
Legendary Artifact
Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.
{U}{U}
Muddle the Mixture
Instant
Counter target instant or sorcery spell.
Transmute {1}{U}{U} ({1}{U}{U}, 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.)
{U}
Mystic Remora
Enchantment
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.
{U}
Mystical Tutor
Instant
Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.
{1}{U}{U}
Narset, Parter of Veils
Legendary Planeswalker - Narset
Each opponent can't draw more than one card each turn.
-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
L:
5
{0}
Pact of Negation
Instant
Counter target spell.
At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.
{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.
{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
{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
{2}{U}
Psychic Corrosion
Enchantment
Whenever you draw a card, each opponent mills two cards.
{1}{U}
Remand
Instant
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{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
{2}
Sapphire Medallion
Artifact
Blue spells you cast cost {1} less to cast.
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
--
Snow-Covered Island
Basic Snow Land - Island
({T}: Add {U}.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{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}
Swan Song
Instant
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
{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.)
{U}
Thought Scour
Instant
Target player mills two cards.
Draw a card.
{3}{U}{U}
Traumatize
Sorcery
Target player mills half their library, rounded down.
{7}{U}
Treasure Cruise
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.
{U}
Visions of Beyond
Instant
Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.
{2}{U}
Windfall
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.