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.
{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
{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
{X}{U}{U}
Fascination
Sorcery
Choose one --
• Each player draws X cards.
• Each player mills X cards.
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{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.
{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.
{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.
{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.)
{1}{U}{U}
Jace Beleren
Legendary Planeswalker - Jace
+2: Each player draws a card.
-1: Target player draws a card.
-10: Target player mills twenty cards.
L:
3
{1}{U}
Jace's Erasure
Enchantment
Whenever you draw a card, you may have target player mill a card.
{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
{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
{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}
Mesmeric Orb
Artifact
Whenever a permanent becomes untapped, that permanent's controller mills a card.
{2}
Mindcrank
Artifact
Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)
{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}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{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.
{2}{U}
Riddlekeeper
Creature - Homunculus
Whenever a creature attacks you or a planeswalker you control, that creature's controller mills two cards.
1 /
4
{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
{5}{U}{U}
Sphinx Mindbreaker
Creature - Sphinx
Flying
When Sphinx Mindbreaker enters the battlefield, each opponent mills ten cards.
6 /
6
{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.)
{3}{U}{U}
Traumatize
Sorcery
Target player mills half their library, rounded down.
{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.)