If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.
{1}{U}
Arcane Denial
Instant
Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{5}{W}{U}
Archon of the Triumvirate
Creature - Archon
Flying
Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
4 /
5
{4}{W}{W}
Austere Command
Sorcery
Choose two --
• Destroy all artifacts.
• Destroy all enchantments.
• Destroy all creatures with mana value 3 or less.
• Destroy all creatures with mana value 4 or greater.
{3}{W/U}{W/U}
Azor's Elocutors
Creature - Human Advisor
At the beginning of your upkeep, put a filibuster counter on Azor's Elocutors. Then if Azor's Elocutors has five or more filibuster counters on it, you win the game.
Whenever a source deals damage to you, remove a filibuster counter from Azor's Elocutors.
3 /
5
{2}{W}{W}{U}{U}
Azor, the Lawbringer
Legendary Creature - Sphinx
Flying
When Azor, the Lawbringer enters the battlefield, each opponent can't cast instant or sorcery spells during that player's next turn.
Whenever Azor attacks, you may pay {X}{W}{U}{U}. If you do, you gain X life and draw X cards.
6 /
6
--
Azorius Chancery
Land
Azorius Chancery enters the battlefield tapped.
When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.
{T}: Add {W}{U}.
{W}{U}
Azorius Charm
Instant
Choose one --
• Creatures you control gain lifelink until end of turn.
• Draw a card.
• Put target attacking or blocking creature on top of its owner's library.
{3}
Azorius Cluestone
Artifact
{T}: Add {W} or {U}.
{W}{U}, {T}, Sacrifice Azorius Cluestone: Draw a card.
--
Azorius Guildgate
Land - Gate
Azorius Guildgate enters the battlefield tapped.
{T}: Add {W} or {U}.
{W/U}{W/U}
Azorius Guildmage
Creature - Vedalken Wizard
{2}{W}: Tap target creature.
{2}{U}: Counter target activated ability. (Mana abilities can't be targeted.)
2 /
2
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{1}{W}
Blind Obedience
Enchantment
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Artifacts and creatures your opponents control enter the battlefield tapped.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{W}{U}
Deputy of Detention
Creature - Vedalken Wizard
When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.
1 /
3
{1}{W}{U}
Detention Sphere
Enchantment
When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.
When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.
{X}{W}{U}
Disorder in the Court
Instant
Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{2}{W}{U}
Dovin Baan
Legendary Planeswalker - Dovin
+1: Until your next turn, up to one target creature gets -3/-0 and its activated abilities can't be activated.
-1: You gain 2 life and draw a card.
-7: You get an emblem with "Your opponents can't untap more than two permanents during their untap steps."
L:
3
{W}{U}
Dovin's Veto
Instant
This spell can't be countered.
Counter target noncreature spell.
{2}{W/U}
Dovin, Hand of Control
Legendary Planeswalker - Dovin
Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast.
-1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.
L:
5
{2}{W}{W}{U}{U}
Dream Trawler
Creature - Sphinx
Flying, lifelink
Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn.
Whenever Dream Trawler attacks, draw a card.
Discard a card: Dream Trawler gains hexproof until end of turn. Tap it.
3 /
5
{2}{W}{U}
Elite Guardmage
Creature - Human Wizard
Flying
When Elite Guardmage enters the battlefield, you gain 3 life and draw a card.
2 /
3
{2}{W}
Generous Gift
Instant
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
{1}{W}
Gift of Estates
Sorcery
If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.
--
Glacial Floodplain
Snow Land - Plains Island
({T}: Add {W} or {U}.)
Glacial Floodplain enters the battlefield tapped.
{2}{W}{U}
Grand Arbiter Augustin IV
Legendary Creature - Human Advisor
White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.
2 /
3
--
Hallowed Fountain
Land - Plains Island
({T}: Add {W} or {U}.)
As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
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}.)
{2}{W}{W}{U}{U}
Isperia, Supreme Judge
Legendary Creature - Sphinx
Flying
Whenever a creature attacks you or a planeswalker you control, you may draw a card.
6 /
4
{W/U}
Judge's Familiar
Creature - Bird
Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
1 /
1
{3}{W}{U}
Lavinia of the Tenth
Legendary Creature - Human Soldier
Protection from red
When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
4 /
4
{W}{U}
Lavinia, Azorius Renegade
Legendary Creature - Human Soldier
Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.
Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
2 /
2
{1}{W}{U}
Lawmage's Binding
Enchantment - Aura
Flash
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{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.
{2}{W}{W}
Loxodon Gatekeeper
Creature - Elephant Soldier
Artifacts, creatures, and lands your opponents control enter the battlefield tapped.
2 /
3
{2}{W}{W}
Martial Law
Enchantment
At the beginning of your upkeep, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
--
Meandering River
Land
Meandering River enters the battlefield tapped.
{T}: Add {W} or {U}.
{4}{W}{U}
Medomai the Ageless
Legendary Creature - Sphinx
Flying
Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.
Medomai the Ageless can't attack during extra turns.
4 /
4
{2}{U}
Midnight Clock
Artifact
{T}: Add {U}.
{2}{U}: Put an hour counter on Midnight Clock.
At the beginning of each upkeep, put an hour counter on Midnight Clock.
When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.
--
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.
{W}{U}
New Prahv Guildmage
Creature - Human Wizard
{W}{U}: Target creature gains flying until end of turn.
{3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
2 /
2
{3}{W}{U}
Palliation Accord
Enchantment
Whenever a creature an opponent controls becomes tapped, put a palliation counter on Palliation Accord.
Remove a palliation counter from Palliation Accord: Prevent the next 1 damage that would be dealt to you this turn.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Port Town
Land
As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.
{T}: Add {W} or {U}.
--
Prahv, Spires of Order
Land
{T}: Add {C}.
{4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn.
--
Prairie Stream
Land - Plains Island
({T}: Add {W} or {U}.)
Prairie Stream enters the battlefield tapped unless you control two or more basic lands.
{3}{U}{U}
Precognitive Perception
Instant
Draw three cards.
Addendum -- If you cast this spell during your main phase, instead scry 3, then draw three cards.
{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.)
{2}{U}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{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.
{W}{U}{U}
Render Silent
Instant
Counter target spell. Its controller can't cast spells this turn.
{1}{W}
Rest in Peace
Enchantment
When Rest in Peace enters the battlefield, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.
{2}{W}{W}
Return to Dust
Instant
Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.
{2}{U}{U}
Rewind
Instant
Counter target spell. Untap up to four lands.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{3}{W}{U}
Righteous Authority
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 for each card in its controller's hand.
At the beginning of the draw step of enchanted creature's controller, that player draws an additional card.
--
Sejiri Refuge
Land
Sejiri Refuge enters the battlefield tapped.
When Sejiri Refuge enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
{W}{U}
Senate Guildmage
Creature - Human Wizard
{W}, {T}: You gain 2 life.
{U}, {T}: Draw a card, then discard a card.
2 /
2
{3}{W}
Smothering Tithe
Enchantment
Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{W}{W}
Spelltithe Enforcer
Creature - Elephant Wizard
Whenever an opponent casts a spell, that player sacrifices a permanent unless they pay {1}.
3 /
3
{4}{W}
Sphere of Safety
Enchantment
Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.
{2}{U}{U}
Sphinx of Foresight
Creature - Sphinx
You may reveal this card from your opening hand. If you do, scry 3 at the beginning of your first upkeep.
Flying
At the beginning of your upkeep, scry 1.
4 /
4
{6}{U}{U}
Sphinx of the Second Sun
Creature - Sphinx
Flying
At the beginning of your postcombat main phase, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)
6 /
6
{X}{W}{U}{U}
Sphinx's Revelation
Instant
You gain X life and draw X cards.
{1}{W}
Suppression Field
Enchantment
Activated abilities cost {2} more to activate unless they're mana abilities.
{1}{W}{W}{U}
Supreme Verdict
Sorcery
This spell can't be countered.
Destroy all creatures.
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{1}{W}{U}
Teferi, Time Raveler
Legendary Planeswalker - Teferi
Each opponent can cast spells only any time they could cast a sorcery.
+1: Until your next turn, you may cast sorcery spells as though they had flash.
-3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.
L:
4
--
Temple of Enlightenment
Land
Temple of Enlightenment enters the battlefield tapped.
When Temple of Enlightenment enters the battlefield, scry 1.
{T}: Add {W} or {U}.
{2}
Thought Vessel
Artifact
You have no maximum hand size.
{T}: Add {C}.
{2}{W}{W}{U}
Time Wipe
Sorcery
Return a creature you control to its owner's hand, then destroy all creatures.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
{2}{U}
Verity Circle
Enchantment
Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, you may draw a card.
{4}{U}: Tap target creature without flying.
{1}{W}{U}
Wall of Denial
Creature - Wall
Defender, flying
Shroud (This creature can't be the target of spells or abilities.)
0 /
8
{3}{W}
Windborn Muse
Creature - Spirit
Flying
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.