{3}, {T}: Target creature with power 3 or less can't be blocked this turn.
{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 of your library.)
{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.
{2}
Armillary Sphere
Artifact
{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
{U}
Artful Dodge
Sorcery
Target creature can't be blocked this turn.
Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{U}
Back to Basics
Enchantment
Nonbasic lands don't untap during their controllers' untap steps.
{3}{U}
Behold the Multiverse
Instant
Scry 2, then draw two cards.
Foretell {1}{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.)
{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
{1}{U}{U}
Callaphe, Beloved of the Sea
Legendary Enchantment Creature - Demigod
Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."
* /
3
{2}{U}{U}
Charix, the Raging Isle
Legendary Creature - Leviathan Crab
Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast.
{3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.
0 /
17
{1}
Commander's Plate
Artifact - Equipment
Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.
Equip commander {3}
Equip {5}
{U}{U}
Counterspell
Instant
Counter target spell.
{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.")
{U}
Distortion Strike
Sorcery
Target creature gets +1/+0 until end of turn and can't be blocked this turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
{U}
Dive Down
Instant
Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents 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.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{1}{U}
Frogify
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)
{1}{U}
Fumble
Instant
Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.
{3}
Haunted Cloak
Artifact - Equipment
Equipped creature has vigilance, trample, and haste.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{U}
High Tide
Instant
Until end of turn, whenever a player taps an Island for mana, that player adds an additional {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}.)
--
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}.)
{1}{U}
Kasmina's Transmutation
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and has base power and toughness 1/1.
{1}{U}
Keep Safe
Instant
Counter target spell that targets a permanent you control.
Draw a card.
{3}
Loxodon Warhammer
Artifact - Equipment
Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{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.
{2}{U}{U}
Memory Deluge
Instant
Look at the top X cards of your library, where X is the amount of mana spent to cast this spell. Put two of them into your hand and the rest on the bottom of your library in a random order.
Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}{U}
Merfolk Thaumaturgist
Creature - Merfolk Wizard
{T}: Switch target creature's power and toughness until end of turn.
1 /
2
{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.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{2}{U}
Monastery Siege
Enchantment
As Monastery Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons -- Spells your opponents cast that target you or a permanent you control cost {2} more to cast.
{3}{U}{U}
Mystic Confluence
Instant
Choose three. You may choose the same mode more than once.
• Counter target spell unless its controller pays {3}.
• Return target creature to its owner's hand.
• Draw a card.
{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}.
--
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.
{3}
Navigation Orb
Artifact
{2}, {T}, Sacrifice Navigation Orb: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{1}{U}
Negate
Instant
Counter target noncreature spell.
{U}
Opt
Instant
Scry 1.
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}
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.)
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{2}
Sapphire Medallion
Artifact
Blue spells you cast cost {1} less to cast.
{1}
Shadowspear
Legendary Artifact - Equipment
Equipped creature gets +1/+1 and has trample and lifelink.
{1}: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip {2}
{U}
Slip Out the Back
Instant
Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)
{U}
Slip Through Space
Sorcery
Devoid (This card has no color.)
Target creature can't be blocked this turn.
Draw a card.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Stonespeaker Crystal
Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Stonespeaker Crystal: Exile any number of target players' graveyards. Draw a card.
{U}
Swan Song
Instant
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
{1}{U}
Sword Coast Sailor
Legendary Enchantment - Background
Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, this creature can't be blocked this turn."
{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}
{U}{U}{U}
Tempest Djinn
Creature - Djinn
Flying
Tempest Djinn gets +1/+0 for each basic Island you control.
0 /
4
{1}{U}
Tetsuko Umezawa, Fugitive
Legendary Creature - Human Rogue
Creatures you control with power or toughness 1 or less can't be blocked.
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
{1}{U}
The Reality Chip
Legendary Artifact Creature - Equipment Jellyfish
You may look at the top card of your library any time.
As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library.
Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)
0 /
4
{2}{U}
Thirst for Discovery
Instant
Draw three cards. Then discard two cards unless you discard a basic land card.
{U}
Training Grounds
Enchantment
Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{2}{U}
Tribute Mage
Creature - Human Wizard
When Tribute Mage enters the battlefield, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.
2 /
2
{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
{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
{U}
Twisted Image
Instant
Switch target creature's power and toughness until end of turn.
Draw a card.
{U}
Wash Away
Instant
Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Counter target spell [that wasn't cast from its owner's hand].
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{1}{U}
Winged Boots
Artifact - Equipment
Equipped creature has flying and ward {4}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)
Equip {1}
{U}
Witness Protection
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and is a green and white Citizen creature with base power and toughness 1/1 named Legitimate Businessperson. (It loses all other colors, card types, creature types, and names.)
{1}{U}
Aether Tunnel
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+0 and can't be blocked.
{U}
An Offer You Can't Refuse
Instant
Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{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
{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.
{1}{U}
Cloak of Mists
Enchantment - Aura
Enchant creature
Enchanted creature can't be blocked.
{3}{U}
Deep Analysis
Sorcery
Target player draws two cards.
Flashback--{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{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.
{5}{U}
Flow of Ideas
Sorcery
Draw a card for each Island you control.
{5}{U}{U}
Hullbreaker Horror
Creature - Kraken Horror
Flash
This spell can't be countered.
Whenever you cast a spell, choose up to one --
• Return target spell you don't control to its owner's hand.
• Return target nonland permanent to its owner's hand.
7 /
8
{2}{U}
Ichthyomorphosis
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.
{2}{U}
Imprisoned in the Moon
Enchantment - Aura
Enchant creature, land, or planeswalker
Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{1}{U}
Minamo Sightbender
Creature - Human Wizard
{X}, {T}: Target creature with power X or less can't be blocked this turn.
1 /
2
{3}{U}{U}
Mystic Confluence
Instant
Choose three. You may choose the same mode more than once.
• Counter target spell unless its controller pays {3}.
• Return target creature to its owner's hand.
• Draw a card.
{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.
{5}{U}{U}
Nezahal, Primal Tide
Legendary Creature - Elder Dinosaur
This spell can't be countered.
You have no maximum hand size.
Whenever an opponent casts a noncreature spell, draw a card.
Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.
7 /
7
{1}{U}
Resculpt
Instant
Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.
{2}{U}{U}
Rewind
Instant
Counter target spell. Untap up to four lands.
{2}
Ring of Evos Isle
Artifact - Equipment
{2}: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{U}
Robe of the Archmagi
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, you draw that many cards.
Equip {4}
Equip Shaman, Warlock, or Wizard {1}
{1}{U}
Scuttletide
Enchantment
{1}, Discard a card: Create a 0/3 blue Crab creature token.
Delirium -- Crabs you control get +1/+1 as long as there are four or more card types among cards in your graveyard.
{1}{U}
Security Bypass
Enchantment - Aura
Enchant creature
As long as enchanted creature is attacking alone, it can't be blocked.
Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)
{U}
Shell Shield
Instant
Kicker {1} (You may pay an additional {1} as you cast this spell.)
Target creature you control gets +0/+3 until end of turn. If this spell was kicked, that creature also gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
{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}
{3}
Vedalken Shackles
Artifact
You may choose not to untap Vedalken Shackles during your untap step.
{2}, {T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped.
{2}{U}{U}
Whelming Wave
Sorcery
Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.
{U}
Writ of Passage
Enchantment - Aura
Enchant creature
Whenever enchanted creature attacks, if its power is 2 or less, it can't be blocked this turn.
Forecast -- {1}{U}, Reveal Writ of Passage from your hand: Target creature with power 2 or less can't be blocked this turn. (Activate only during your upkeep and only once each turn.)