Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Return target nonland permanent [you control] to its owner's hand.
{1}{U}
Anticognition
Instant
Counter target creature or planeswalker spell unless its controller pays {2}. If an opponent has eight or more cards in their graveyard, instead counter that spell, then scry 2.
{2}{U}{U}
Archmage Emeritus
Creature - Human Wizard
Magecraft -- Whenever you cast or copy an instant or sorcery spell, draw a card.
2 /
2
{U}
Benthic Biomancer
Creature - Merfolk Wizard Mutant
{1}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever one or more +1/+1 counters are put on Benthic Biomancer, draw a card, then discard a card.
1 /
1
{1}{U}
Burrog Befuddler
Creature - Frog Wizard
Flash
When Burrog Befuddler enters the battlefield, target creature an opponent controls gets -1/-0 until end of turn.
2 /
1
{1}{U}{U}
Cancel
Instant
Counter target spell.
{3}
Chrome Cat
Artifact Creature - Cat
When Chrome Cat enters the battlefield, scry 1.
3 /
2
{2}{U}
Clear the Mind
Sorcery
Target player shuffles their graveyard into their library.
Draw a card.
{3}{U}
Crystacean
Creature - Crab
Flash
1 /
6
{3}{U}
Djinni Windseer
Creature - Djinn
Flying
When Djinni Windseer enters the battlefield, roll a d20.
1--9 | Scry 1.
10--19 | Scry 2.
20 | Scry 3.
3 /
3
{U}
Errant, Street Artist
Legendary Creature - Human Rogue
Flash
Defender, haste
{1}{U}, {T}: Copy target spell you control that wasn't cast. You may choose new targets for the copy.
0 /
3
{1}{U}
Essence Scatter
Instant
Counter target creature spell.
{2}{U}
Field Research
Sorcery
Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.)
Draw two cards. If this spell was kicked, draw three cards instead.
{2}{U}
Frost Trickster
Creature - Bird Wizard
Flying
When Frost Trickster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
2 /
2
{1}{U}
Glimmerbell
Creature - Elemental Jellyfish
Flying
{1}{U}: Untap Glimmerbell.
1 /
3
{3}{U}
Homarid Explorer
Creature - Homarid Scout
When Homarid Explorer enters the battlefield, target player mills four cards.
3 /
3
--
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}.)
{U}
Lantern Bearer
Creature - Spirit
Flying
Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.)
1 /
1
--
Lanterns' Lift
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 and has flying.
If Lanterns' Lift would be put into a graveyard from anywhere, exile it instead.
1 /
1
{1}{U}
Malcator's Watcher
Artifact Creature - Phyrexian Drone
Flying, vigilance
When Malcator's Watcher dies, draw a card.
1 /
1
{1}{U}
Mercurial Transformation
Sorcery - Lesson
Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.
{U}{ // }{U}
Merfolk Secretkeeper // Venture Deeper
Creature - Merfolk Wizard // Sorcery - Adventure
Target player mills four cards. (Then exile this card. You may cast the creature later from exile.)
0 /
4
{2}
Mimic
Artifact - Treasure
{T}, Sacrifice Mimic: Add one mana of any color.
{2}: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.
{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
{2}{U}
Naiad of Hidden Coves
Enchantment Creature - Nymph
As long as it's not your turn, spells you cast cost {1} less to cast.
2 /
3
{1}{U}
Negate
Instant
Counter target noncreature spell.
{1}{U}
Omen of the Sea
Enchantment
Flash
When Omen of the Sea enters the battlefield, scry 2, then draw a card.
{2}{U}, Sacrifice Omen of the Sea: Scry 2.
{U}
Opt
Instant
Scry 1.
Draw a card.
{1}{U}
Reject
Instant
Counter target creature or planeswalker spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
{U}
Rescue
Instant
Return target permanent you control to its owner's hand.
{1}{U}
Riptide Turtle
Creature - Turtle
Flash
Defender
0 /
5
{U}
Ruin Crab
Creature - Crab
Landfall -- Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)
0 /
3
{1}{U}
Serpentine Ambush
Instant
Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.
{U}
Silver Raven
Artifact Creature - Bird
Flying
When Silver Raven enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
1 /
1
{U}
Stern Dismissal
Instant
Return target creature or enchantment an opponent controls to its owner's hand.
{3}{U}{U}
Syr Elenora, the Discerning
Legendary Creature - Human Knight
Syr Elenora, the Discerning's power is equal to the number of cards in your hand.
When Syr Elenora enters the battlefield, draw a card.
Spells your opponents cast that target Syr Elenora cost {2} more to cast.
* /
4
{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}
Threnody Singer
Creature - Siren
Flash
Flying
When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
1 /
3
{1}{U}
Towering-Wave Mystic
Creature - Merfolk Wizard
Whenever Towering-Wave Mystic deals damage, target player mills that many cards.
2 /
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.)
{U}
You See a Guard Approach
Instant
Choose one --
• Distract the Guard -- Tap target creature.
• Hide -- Target creature you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)