{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
{4}{U}
Boreal Elemental
Creature - Elemental
Flying
Spells your opponents cast that target Boreal Elemental cost {2} more to cast.
3 /
4
{1}{U}
Brineborn Cutthroat
Creature - Merfolk Pirate
Flash (You may cast this spell any time you could cast an instant.)
Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.
2 /
1
{1}{U}
Callous Dismissal
Sorcery
Return target nonland permanent to its owner's hand.
Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
{3}{U}
Capture Sphere
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
--
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}{U}
Cavalier of Gales
Creature - Elemental Knight
Flying
When Cavalier of Gales enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order.
When Cavalier of Gales dies, shuffle it into its owner's library, then scry 2.
5 /
5
{1}{U}{U}
Charmed Sleep
Enchantment - Aura
Enchant creature
When Charmed Sleep enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
{3}{U}
Chemister's Insight
Instant
Draw two cards.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)
{3}
Clockwork Servant
Artifact Creature - Gnome
Adamant -- When Clockwork Servant enters the battlefield, if at least three mana of the same color was spent to cast it, draw a card.
2 /
3
{2}{U}
Cloudkin Seer
Creature - Elemental Wizard
Flying
When Cloudkin Seer enters the battlefield, draw a card.
2 /
1
{2}{U}
Convolute
Instant
Counter target spell unless its controller pays {4}.
{1}{U}{U}
Didn't Say Please
Instant
Counter target spell. Its controller mills three cards.
{1}{U}
Faerie Vandal
Creature - Faerie Rogue
Flash
Flying
Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.
1 /
2
{X}{U}{U}{U}
Gadwick, the Wizened
Legendary Creature - Human Wizard
When Gadwick, the Wizened enters the battlefield, draw X cards.
Whenever you cast a blue spell, tap target nonland permanent an opponent controls.
3 /
3
{U}{U}{ // }{2}{U}
Hypnotic Sprite // Mesmeric Glare
Creature - Faerie // Instant - Adventure
Flying
Counter target spell with mana value 3 or less. (Then exile this card. You may cast the creature later from exile.)
2 /
1
--
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.
{7}
Meteor Golem
Artifact Creature - Golem
When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.
3 /
3
{3}{U}
Murmuring Mystic
Creature - Human Wizard
Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.
1 /
5
--
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.
{2}{U}
Mystical Dispute
Instant
This spell costs {2} less to cast if it targets a blue spell.
Counter target spell unless its controller pays {3}.
{1}{U}
Negate
Instant
Counter target noncreature spell.
{U}
Opt
Instant
Scry 1.
Draw a card.
{U}
Pteramander
Creature - Salamander Drake
Flying
{7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)
1 /
1
{1}{U}
Run Away Together
Instant
Choose two target creatures controlled by different players. Return those creatures to their owners' hands.
{1}{U}{U}
Sinister Sabotage
Instant
Counter target spell.
Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
{1}{U}
Sky Theater Strix
Creature - Bird
Flying
Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn.
1 /
2
{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
{1}{U}
Tale's End
Instant
Counter target activated ability, triggered ability, or legendary spell.
{1}{U}{U}
Thought Collapse
Instant
Counter target spell. Its controller mills three cards.
{3}{U}
Thunder Drake
Creature - Elemental Drake
Flying
Whenever you cast your second spell each turn, put a +1/+1 counter on Thunder Drake.
2 /
3
{2}{U}
Tome Raider
Creature - Faerie
Flying
When Tome Raider enters the battlefield, draw a card.
1 /
1
{3}{U}
Turn into a Pumpkin
Instant
Return target nonland permanent to its owner's hand. Draw a card.
Adamant -- If at least three blue mana was spent to cast this spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{1}{U}
Unexplained Disappearance
Instant
Return target creature to its owner's hand.
Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
{U}
Unsummon
Instant
Return target creature to its owner's hand.
{2}{U}
Warden of Evos Isle
Creature - Bird Wizard
Flying
Creature spells with flying you cast cost {1} less to cast.
2 /
2
{2}{U}
Winged Words
Sorcery
This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.
{U}
Witching Well
Artifact
When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)