{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.
{5}{U}{U}
Agent of Treachery
Creature - Human Rogue
When Agent of Treachery enters the battlefield, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.
2 /
3
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{U}{U}
Archaeomancer
Creature - Human Wizard
When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.
1 /
2
{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}
Augury Owl
Creature - Bird
Flying
When Augury Owl enters the battlefield, scry 3. (Look at the top three 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 /
1
{3}{U}
Aura Thief
Creature - Illusion
Flying
When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)
2 /
2
{2}{U}{U}
Bident of Thassa
Legendary Enchantment Artifact
Whenever a creature you control deals combat damage to a player, you may draw a card.
{1}{U}, {T}: Creatures your opponents control attack this turn if able.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{3}{U}{U}
Bribery
Sorcery
Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
--
Castle Vantress
Land
Castle Vantress enters the battlefield tapped unless you control an Island.
{T}: Add {U}.
{2}{U}{U}, {T}: Scry 2.
{2}{U}{U}
Clever Impersonator
Creature - Shapeshifter
You may have Clever Impersonator enter as a copy of any nonland permanent on the battlefield.
0 /
0
{1}{U}
Cloud of Faeries
Creature - Faerie
Flying
When Cloud of Faeries enters the battlefield, untap up to two lands.
Cycling {2} ({2}, Discard this card: Draw a card.)
1 /
1
{4}{U}{U}
Consecrated Sphinx
Creature - Sphinx
Flying
Whenever an opponent draws a card, you may draw two cards.
4 /
6
{2}{U}{U}
Control Magic
Enchantment - Aura
Enchant creature
You control enchanted creature.
{3}{U}{U}
Corrupted Conscience
Enchantment - Aura
Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{U}{U}
Counterbalance
Enchantment
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
{U}{U}
Counterspell
Instant
Counter target spell.
{1}{U}
Cunning Evasion
Enchantment
Whenever a creature you control becomes blocked, you may return it to its owner's hand.
{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.")
{3}{U}{U}
Desertion
Instant
Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.
{1}{U}{U}
Disallow
Instant
Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)
{1}{U}{U}
Dissipate
Instant
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{3}{U}{U}
Empress Galina
Legendary Creature - Merfolk Noble
{U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.)
1 /
3
{2}{U}
Fabricate
Sorcery
Search your library for an artifact card, reveal it, put it into your hand, then shuffle.
{U}
Faerie Seer
Creature - Faerie Wizard
Flying
When Faerie Seer enters, scry 2.
1 /
1
{U}{U}
Familiar's Ruse
Instant
As an additional cost to cast this spell, return a creature you control to its owner's hand.
Counter target spell.
{2}{U}{U}{U}
Future Sight
Enchantment
Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.
{1}
Gingerbrute
Artifact Creature - Food Golem
Haste
{1}: Gingerbrute can't be blocked this turn except by creatures with haste.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
2 /
2
--
Halimar Depths
Land
Halimar Depths enters tapped.
When Halimar Depths enters, look at the top three cards of your library, then put them back in any order.
{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}.)
{3}{U}{U}
Jace, Unraveler of Secrets
Legendary Planeswalker - Jace
+1: Scry 1, then draw a card.
-2: Return target creature to its owner's hand.
-8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."
L:
5
{5}{U}
Keiga, the Tide Star
Legendary Creature - Dragon Spirit
Flying
When Keiga, the Tide Star dies, gain control of target creature.
5 /
5
{1}{U}{U}
Kira, Great Glass-Spinner
Legendary Creature - Spirit
Flying
Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."
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.
{1}
Mana Vault
Artifact
Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.
{X}{X}{U}{U}{U}{U}
Mass Manipulation
Sorcery
Gain control of X target creatures and/or planeswalkers.
{1}{U}
Merchant Scroll
Sorcery
Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.
{3}{U}{U}
Mind Control
Enchantment - Aura
Enchant creature
You control enchanted creature.
{5}{U}{U}
Mind's Dilation
Enchantment
Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.
{3}
Mirage Mirror
Artifact
{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.
--
Mystic Sanctuary
Land - Island
({T}: Add {U}.)
Mystic Sanctuary enters tapped unless you control three or more other Islands.
When Mystic Sanctuary enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.
{U}
Mystical Tutor
Instant
Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.
{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/P}
Phyrexian Metamorph
Artifact Creature - Phyrexian Shapeshifter
({U/P} can be paid with either {U} or 2 life.)
You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.
0 /
0
{3}
Pilgrim's Eye
Artifact Creature - Thopter
Flying
When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
1 /
1
{U}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{U}
Preordain
Sorcery
Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
--
Prismatic Vista
Land
{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.
{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}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{3}{U}{U}{U}
Roil Elemental
Creature - Elemental
Flying
Landfall -- Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.
3 /
2
{2}{U}{U}
Sakashima's Student
Creature - Human Ninja
Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.
0 /
0
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
{1}{U}
Snapcaster Mage
Creature - Human Wizard
Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
2 /
1
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{2}{U}{U}
Sower of Temptation
Creature - Faerie Wizard
Flying
When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation 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}
Spectral Sailor
Creature - Spirit Pirate
Flash (You may cast this spell any time you could cast an instant.)
Flying
{3}{U}: Draw a card.
1 /
1
{2}{U}
Spellseeker
Creature - Human Wizard
When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.
1 /
1
{3}{U}
Stunt Double
Creature - Shapeshifter
Flash
You may have Stunt Double enter the battlefield as a copy of any creature on the battlefield.
0 /
0
{3}
Sword of Feast and Famine
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip {2}
{3}{U}{U}
Temporal Manipulation
Sorcery
Take an extra turn after this one.
{1}{U}{U}
Thada Adel, Acquisitor
Legendary Creature - Merfolk Rogue
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.
2 /
2
{3}{U}
Thalakos Deceiver
Creature - Thalakos Wizard
Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Thalakos Deceiver attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)
1 /
1
{U}{U}
Thalakos Seer
Creature - Thalakos Wizard
Shadow (This creature can block or be blocked by only creatures with shadow.)
When Thalakos Seer leaves the battlefield, draw a card.
1 /
1
{3}{U}
Thassa, Deep-Dwelling
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature.
At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.
{3}{U}: Tap another target creature.
6 /
5
{4}
Thran Dynamo
Artifact
{T}: Add {C}{C}{C}.
{3}{U}{U}
Time Warp
Sorcery
Target player takes an extra turn after this one.
{3}{U}{U}
Treachery
Enchantment - Aura
Enchant creature
When Treachery enters the battlefield, untap up to five lands.
You control enchanted creature.
{2}{U}
Trinket Mage
Creature - Human Wizard
When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.
2 /
2
{2}{U}
Trophy Mage
Creature - Human Wizard
When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.
2 /
2
--
Volrath's Stronghold
Legendary Land
{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.
{U}
Aqueous Form
Enchantment - Aura
Enchant creature
Enchanted creature can't be blocked.
Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{1}{U}
Baral, Chief of Compliance
Legendary Creature - Human Wizard
Instant and sorcery spells you cast cost {1} less to cast.
Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
1 /
3
{4}{U}{U}
Confiscate
Enchantment - Aura
Enchant permanent
You control enchanted permanent.
{4}{U}{U}{U}
Day of the Dragons
Enchantment
When Day of the Dragons enters the battlefield, exile all creatures you control. Then create that many 5/5 red Dragon creature tokens with flying.
When Day of the Dragons leaves the battlefield, sacrifice all Dragons you control. Then return the exiled cards to the battlefield under your control.
{3}{U}{U}
Devastation Tide
Sorcery
Return all nonland permanents to their owners' hands.
Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
{3}
Dimir Keyrune
Artifact
{T}: Add {U} or {B}.
{U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.
{1}
Hope of Ghirapur
Legendary Artifact Creature - Thopter
Flying
Sacrifice Hope of Ghirapur: Until your next turn, target player who was dealt combat damage by Hope of Ghirapur this turn can't cast noncreature spells.
1 /
1
{1}{U}
Invisible Stalker
Creature - Human Rogue
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Invisible Stalker can't be blocked.
1 /
1
{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
{4}{U}{U}
Karn's Temporal Sundering
Legendary Sorcery
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.
{2}{U}{U}
Leyline of Anticipation
Enchantment
If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.
You may cast spells as though they had flash.
{U}
Mist-Cloaked Herald
Creature - Merfolk Warrior
Mist-Cloaked Herald can't be blocked.
1 /
1
{4}{U}{U}
Mu Yanling
Legendary Planeswalker - Yanling
+2: Target creature can't be blocked this turn.
-3: Draw two cards.
-10: Tap all creatures your opponents control. You take an extra turn after this one.
L:
5
{0}
Ornithopter
Artifact Creature - Thopter
Flying
0 /
2
{4}{U}{U}
Part the Waterveil
Sorcery
Take an extra turn after this one. Exile Part the Waterveil.
Awaken 6--{6}{U}{U}{U} (If you cast this spell for {6}{U}{U}{U}, also put six +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
{U}
Slither Blade
Creature - Naga Rogue
Slither Blade can't be blocked.
1 /
2
{3}
Sword of Fire and Ice
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.
Equip {2}
{3}
Sword of Sinew and Steel
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from black and from red.
Whenever equipped creature deals combat damage to a player, destroy up to one target planeswalker and up to one target artifact.
Equip {2}
{5}{U}{U}
Temporal Mastery
Sorcery
Take an extra turn after this one. Exile Temporal Mastery.
Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
{U}{U}
Thassa's Oracle
Creature - Merfolk Wizard
When Thassa's Oracle enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
1 /
3
{2}{U}
Thassa, God of the Sea
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
At the beginning of your upkeep, scry 1.
{1}{U}: Target creature you control can't be blocked this turn.
5 /
5
{8}{U}{U}
Time Stretch
Sorcery
Target player takes two extra turns after this one.