As an additional cost to cast this spell, sacrifice a blue permanent.
Counter target spell.
{3}{U}
Aetherize
Instant
Return all attacking creatures to their owner's hand.
{1}{U}
Anticipate
Instant
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
{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.
{4}{U}
Arcane Melee
Enchantment
Instant and sorcery spells cost {2} less to cast.
{3}{U}{U}
Baral's Expertise
Sorcery
Return up to three target artifacts and/or creatures to their owners' hands.
You may cast a spell with mana value 4 or less from your hand without paying its mana cost.
{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
{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.
--
Blighted Cataract
Land
{T}: Add {C}.
{5}{U}, {T}, Sacrifice Blighted Cataract: Draw two cards.
{X}{U}{U}{U}
Blue Sun's Zenith
Instant
Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.
{U}{U}
Boomerang
Instant
Return target permanent to its owner's hand.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{6}
Caged Sun
Artifact
As Caged Sun enters the battlefield, choose a color.
Creatures you control of the chosen color get +1/+1.
Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.
{1}{U}{U}
Capsize
Instant
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.
{2}{U}{U}
Clever Impersonator
Creature - Shapeshifter
You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.
0 /
0
{2}{U}{U}
Coastal Piracy
Enchantment
Whenever a creature you control deals combat damage to an opponent, you may draw a card.
{U}{U}
Counterspell
Instant
Counter target spell.
{X}{U}{U}
Curse of the Swine
Sorcery
Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.
{U}{U}
Deprive
Instant
As an additional cost to cast this spell, return a land you control to its owner's hand.
Counter target spell.
{6}{U}{U}
Dig Through Time
Instant
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.
{5}{U}{U}
Diluvian Primordial
Creature - Avatar
Flying
When Diluvian Primordial enters the battlefield, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.
5 /
5
{1}{U}
Disdainful Stroke
Instant
Counter target spell with mana value 4 or greater.
{2}{U}{U}
Dismiss
Instant
Counter target spell.
Draw a card.
{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.
{1}{U}{U}
Dissolve
Instant
Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{1}{U}
Dramatic Reversal
Instant
Untap all nonland permanents you control.
{3}{U}
Engulf the Shore
Instant
Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.
{3}{U}
Fact or Fiction
Instant
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{3}{U}{U}{U}
Guile
Creature - Elemental Incarnation
Guile can't be blocked except by three or more creatures.
If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost.
When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.
6 /
6
{1}{U}
Hands of Binding
Sorcery
Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{1}{U}
Hidden Strings
Sorcery
You may tap or untap target permanent, then you may tap or untap another target permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{U}
High Tide
Instant
Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.
{1}{U}{U}
Hinder
Instant
Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.
{1}{U}
Impulse
Instant
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
{1}{U}
Into the Roil
Instant
Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.
--
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}.)
--
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}
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.
{3}{U}{U}
Jace's Ingenuity
Instant
Draw three cards.
{3}{U}
Jace's Sanctum
Enchantment
Instant and sorcery spells you cast cost {1} less to cast.
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{1}{U}
Jace, Vryn's Prodigy
Legendary Creature - Human Wizard
{T}: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.
0 /
2
--
Jace, Telepath Unbound
Legendary Planeswalker - Jace
+1: Up to one target creature gets -2/-0 until your next turn.
-3: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead.
-9: You get an emblem with "Whenever you cast a spell, target opponent mills five cards."
0 /
2
{3}{U}
Learn from the Past
Instant
Target player shuffles their graveyard into their library.
Draw a card.
--
Lonely Sandbar
Land
Lonely Sandbar enters the battlefield tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)
{3}{U}{U}
Metallurgic Summonings
Enchantment
Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.
{3}{U}{U}, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six 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.)
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{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}
Negate
Instant
Counter target noncreature spell.
{U}
Opt
Instant
Scry 1.
Draw a card.
{1}{U}
Overburden
Enchantment
Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.
{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}
Pongify
Instant
Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.
{U}
Portent
Sorcery
Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.
{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.)
{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.
{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.)
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
--
Remote Isle
Land
Remote Isle enters the battlefield tapped.
{T}: Add {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{2}{U}
Repulse
Instant
Return target creature to its owner's hand.
Draw a card.
{2}{U}{U}
Rewind
Instant
Counter target spell. Untap up to four lands.
{2}{U}{U}
Rite of Replication
Sorcery
Kicker {5} (You may pay an additional {5} as you cast this spell.)
Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.
{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
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}{U}{U}
Stolen Identity
Sorcery
Create a token that's a copy of target artifact or creature.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{X}{2}{U}
Stroke of Genius
Instant
Target player draws X cards.
{2}
Surveyor's Scope
Artifact
{T}, Exile Surveyor's Scope: Search your library for up to X basic land cards, where X is the number of players who control at least two more lands than you. Put those cards onto the battlefield, then shuffle.
{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}{U}
Talrand, Sky Summoner
Legendary Creature - Merfolk Wizard
Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.
2 /
2
{1}{U}
Telling Time
Instant
Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
--
Terrain Generator
Land
{T}: Add {C}.
{2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.
{1}{U}
Think Twice
Instant
Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{7}{U}
Treasure Cruise
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.
{1}{U}{U}
Void Shatter
Instant
Devoid (This card has no color.)
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{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.")