As an additional cost to cast this spell, sacrifice a blue permanent.
Counter target spell.
{1}{U}
Aether Figment
Creature - Illusion
Kicker {3} (You may pay an additional {3} as you cast this spell.)
Aether Figment can't be blocked.
If Aether Figment was kicked, it enters the battlefield with two +1/+1 counters on it.
1 /
1
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{4}{U}{U}
Archetype of Imagination
Enchantment Creature - Human Wizard
Creatures you control have flying.
Creatures your opponents control lose flying and can't have or gain flying.
3 /
2
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
--
Castle Vantress
Land
Castle Vantress enters the battlefield tapped unless you control an Island.
{T}: Add {U}.
{2}{U}{U}, {T}: Scry 2.
{3}{U}
Chronozoa
Creature - Illusion
Flying
Vanishing 3 (This creature enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When Chronozoa dies, if it had no time counters on it, create two tokens that are copies of it.
3 /
3
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{4}{U}{U}
Consecrated Sphinx
Creature - Sphinx
Flying
Whenever an opponent draws a card, you may draw two cards.
4 /
6
{U}{U}
Counterspell
Instant
Counter target spell.
{1}{U}{U}{U}
Cryptic Command
Instant
Choose two --
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.
{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.")
{4}
Door of Destinies
Artifact
As Door of Destinies enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.
Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.
{4}{U}{U}
Draining Whelk
Creature - Illusion
Flash
Flying
When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's mana value.
1 /
1
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{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.
--
Geier Reach Sanitarium
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.
{3}
Heraldic Banner
Artifact
As Heraldic Banner enters the battlefield, choose a color.
Creatures you control of the chosen color get +1/+0.
{T}: Add one mana of the chosen color.
{1}{U}{U}
Illusionary Servant
Creature - Illusion
Flying
When Illusionary Servant becomes the target of a spell or ability, sacrifice it.
3 /
4
{2}{U}{U}
Illusionist's Gambit
Instant
Cast this spell only during the declare blockers step on an opponent's turn.
Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.
{4}{U}
Illusory Ambusher
Creature - Cat Illusion
Flash (You may cast this spell any time you could cast an instant.)
Whenever Illusory Ambusher is dealt damage, draw that many cards.
4 /
1
{2}{U}
Illusory Angel
Creature - Angel Illusion
Cast this spell only if you've cast another spell this turn.
Flying
4 /
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}.)
{4}{U}{U}
Jace's Mindseeker
Creature - Fish Illusion
Flying
When Jace's Mindseeker enters the battlefield, target opponent mills five cards. You may cast an instant or sorcery spell from among them without paying its mana cost.
4 /
4
{U}
Jace's Phantasm
Creature - Illusion
Flying
Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.
1 /
1
{5}{U}{U}
Jin-Gitaxias, Progress Tyrant
Legendary Creature - Phyrexian Praetor
Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.)
Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn.
5 /
5
{1}{U}
Jwari Disruption
Instant
Counter target spell unless its controller pays {1}.
--
Jwari Ruins
Land
Jwari Ruins enters the battlefield tapped.
{T}: Add {U}.
{3}{U}{U}
Kindred Discovery
Enchantment
As Kindred Discovery enters the battlefield, choose a creature type.
Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.
{1}{U}
Krovikan Mist
Creature - Illusion
Flying
Krovikan Mist's power and toughness are each equal to the number of Illusions on the battlefield.
* /
*
{2}{U}
Leadership Vacuum
Instant
Target player returns each commander they control from the battlefield to the command zone.
Draw a card.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{U}{U}
Lord of the Unreal
Creature - Human Wizard
Illusion creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)
2 /
2
{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.
{4}{U}
Meloku the Clouded Mirror
Legendary Creature - Moonfolk Wizard
Flying
{1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.
2 /
4
--
Mikokoro, Center of the Sea
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{1}{U}{U}
Minn, Wily Illusionist
Legendary Creature - Gnome Wizard
Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This creature gets +1/+0 for each other Illusion you control."
Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.
1 /
3
{4}{U}{U}
Mordenkainen
Legendary Planeswalker - Mordenkainen
+2: Draw two cards, then put a card from your hand on the bottom of your library.
-2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."
-10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."
L:
5
{3}{U}
Murmuring Mystic
Creature - Human Wizard
Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.
1 /
5
--
Mutavault
Land
{T}: Add {C}.
{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.
--
Mystic Sanctuary
Land - Island
({T}: Add {U}.)
Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.
When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.
{U}{U}
Narset's Reversal
Instant
Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.
--
Nykthos, Shrine to Nyx
Legendary Land
{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
{3}{U}
Oneirophage
Creature - Squid Illusion
Flying
Whenever you draw a card, put a +1/+1 counter on Oneirophage.
1 /
2
--
Otawara, Soaring City
Legendary Land
{T}: Add {U}.
Channel -- {3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{2}{U}{U}
Phantasmal Dragon
Creature - Dragon Illusion
Flying
When Phantasmal Dragon becomes the target of a spell or ability, sacrifice it.
5 /
5
{2}{U}{U}
Phantasmal Dreadmaw
Creature - Dinosaur Illusion
Trample
When Phantasmal Dreadmaw becomes the target of a spell or ability, sacrifice it.
6 /
6
{1}{U}
Phantasmal Image
Creature - Illusion
You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."
0 /
0
{1}{U}{U}
Phantom Ninja
Creature - Illusion Ninja
Phantom Ninja can't be blocked.
2 /
2
{3}{U}
Phantom Steed
Creature - Horse Illusion
Flash
When Phantom Steed enters the battlefield, exile another target creature you control until Phantom Steed leaves the battlefield.
Whenever Phantom Steed attacks, create a tapped and attacking token that's a copy of the exiled card, except it's an Illusion in addition to its other types. Sacrifice that token at end of combat.
4 /
3
{U}
Pongify
Instant
Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.
{2}{U}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{U}
Rapid Hybridization
Instant
Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.
{2}{U}
Ravenform
Sorcery
Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying.
Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{1}{U}
Reality Shift
Instant
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)
{4}{U}
Reflections of Littjara
Enchantment
As Reflections of Littjara enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
--
Rivendell
Legendary Land
Rivendell enters the battlefield tapped unless you control a legendary creature.
{T}: Add {U}.
{1}{U}, {T}: Scry 2. Activate only if you control a legendary creature.
{4}
Roaming Throne
Artifact Creature - Golem
Ward {2}
As Roaming Throne enters the battlefield, choose a creature type.
Roaming Throne is the chosen type in addition to its other types.
If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.
4 /
4
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
{2}
Sapphire Medallion
Artifact
Blue spells you cast cost {1} less to cast.
{5}{U}{U}
Scourge of Fleets
Creature - Kraken
When Scourge of Fleets enters the battlefield, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.
6 /
6
{4}{U}{U}{U}
Sea Gate Restoration
Sorcery
Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.
--
Sea Gate, Reborn
Land
As Sea Gate, Reborn enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {U}.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{U}{U}
Somnophore
Creature - Illusion
Flying
Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.
2 /
2
{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
{U}
Swan Song
Instant
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{2}
Sword of the Animist
Legendary Artifact - Equipment
Equipped creature gets +1/+1.
Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Equip {2}
{2}{U}{U}
Teferi's Ageless Insight
Legendary Enchantment
If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.
{4}
The One Ring
Legendary Artifact
Indestructible
When The One Ring enters the battlefield, if you cast it, you gain protection from everything until your next turn.
At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring.
{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{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.
{4}{U}{U}
Titan of Littjara
Creature - Illusion
As Titan of Littjara enters the battlefield, choose a creature type.
Titan of Littjara is the chosen type in addition to its other types.
Whenever Titan of Littjara enters the battlefield or attacks, you may draw a card for each other creature you control that shares a creature type with it. If you do, discard a card.
6 /
6
{3}{U}
Toothy, Imaginary Friend
Legendary Creature - Illusion
Partner with Pir, Imaginative Rascal (When this creature enters the battlefield, target player may put Pir into their hand from their library, then shuffle.)
Whenever you draw a card, put a +1/+1 counter on Toothy, Imaginary Friend.
When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it.
1 /
1
{1}{U}
Triskaidekaphile
Creature - Human Wizard
You have no maximum hand size.
At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.
{3}{U}: Draw a card.
1 /
3
{5}
Vanquisher's Banner
Artifact
As Vanquisher's Banner enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Whenever you cast a creature spell of the chosen type, draw a card.
--
War Room
Land
{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.
{2}{U}
Archmage Ascension
Enchantment
At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on Archmage Ascension.
As long as Archmage Ascension has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.
{4}{U}
Illusionary Wall
Creature - Illusion Wall
Defender, flying, first strike
Cumulative upkeep {U} (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.)
7 /
4
{2}{U}{U}
Jace's Projection
Creature - Wizard Illusion
Whenever you draw a card, put a +1/+1 counter on Jace's Projection.
{3}{U}: Put a loyalty counter on target Jace planeswalker.
2 /
2
{7}{U}{U}{U}
Omniscience
Enchantment
You may cast spells from your hand without paying their mana costs.
{5}{U}{U}
Palinchron
Creature - Illusion
Flying
When Palinchron enters the battlefield, untap up to seven lands.