Stingblade Assassin

Flash
Flying
When Stingblade Assassin enters, destroy target creature an opponent controls that was dealt damage this turn.

Tome Raider

Flying
When Tome Raider enters, draw a card.

Briarberry Cohort

Flying
Briarberry Cohort gets +1/+1 as long as you control another blue creature.

Sea Sprite

Zephyr Sprite

Snap

Return target creature to its owner's hand. Untap up to two lands.

Snaremaster Sprite

Flying
When Snaremaster Sprite enters, you may pay {2}. When you do, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Counterspell

Keep Watch

Path of Ancestry

Path of Ancestry enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Oona's Gatewarden

Defender, flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Quick Study

Faerie Seer

Barrow Naughty

Flying
Barrow Naughty has lifelink as long as you control another Faerie.
{2}{B}: Barrow Naughty gets +1/+0 until end of turn.

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Pestermite

Flash
Flying
When Pestermite enters, you may tap or untap target permanent.

Faerie Miscreant

Flying
When Faerie Miscreant enters, if you control another creature named Faerie Miscreant, draw a card.

Nightshade Stinger

Sky Diamond

Negate

Cloud Sprite

Flying (This creature can't be blocked except by creatures with flying or reach.)
Cloud Sprite can block only creatures with flying.

Eye Collector

Flying
Whenever Eye Collector deals combat damage to a player, each player mills a card.

Peppersmoke

Target creature gets -1/-1 until end of turn. If you control a Faerie, draw a card.

Run Away Together

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Dream Thief

Flying
When Dream Thief enters, draw a card if you've cast another blue spell this turn.

Halimar Depths

Halimar Depths enters tapped.
When Halimar Depths enters, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.

Surveilling Sprite

Flying
When Surveilling Sprite dies, you may draw a card.

Insectile Aberration

Delver of Secrets

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.

Delver of Secrets // Insectile Aberration

Repulse

Return target creature to its owner's hand.
Draw a card.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.

Faerie Squadron

Kicker {3}{U} (You may pay an additional {3}{U} as you cast this spell.)
If Faerie Squadron was kicked, it enters with two +1/+1 counters on it and with flying.

Sower of Temptation

Flying
When Sower of Temptation enters, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Faerie Trickery

Counter target non-Faerie spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Lofty Denial

Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.

Flitting Guerrilla

Flying
When Flitting Guerrilla dies, each player mills two cards. Then you may exile Flitting Guerrilla. When you do, put target creature or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Didn't Say Please

Counter target spell. Its controller mills three cards.

Bojuka Bog

Bojuka Bog enters tapped.
When Bojuka Bog enters, exile target player's graveyard.
{T}: Add {B}.

Wayfarer's Bauble

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Frantic Search

Draw two cards, then discard two cards. Untap up to three lands.

Mocking Sprite

Flying
Instant and sorcery spells you cast cost {1} less to cast.

Spreading Seas

Enchant land
When Spreading Seas enters, draw a card.
Enchanted land is an Island.

Latchkey Faerie

Flying
Prowl {2}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Faerie or Rogue.)
When Latchkey Faerie enters, if its prowl cost was paid, draw a card.

Consider

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Draw a card.

Dismal Backwater

Dismal Backwater enters tapped.
When Dismal Backwater enters, you gain 1 life.
{T}: Add {U} or {B}.

Preordain

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.)

Spellstutter Sprite

Flash
Flying
When Spellstutter Sprite enters, counter target spell with mana value X or less, where X is the number of Faeries you control.

Faerie Duelist

Flash
Flying
When Faerie Duelist enters, target creature an opponent controls gets -2/-0 until end of turn.

Distant Melody

Choose a creature type. Draw a card for each permanent you control of that type.

Into the Fae Court

Draw three cards. Create a 1/1 blue Faerie creature token with flying and "This creature can block only creatures with flying."

Murder

Cloud of Faeries

Flying
When Cloud of Faeries enters, untap up to two lands.
Cycling {2} ({2}, Discard this card: Draw a card.)

Obyra, Dreaming Duelist

Flash
Flying
Whenever another Faerie you control enters, each opponent loses 1 life.

Violet Pall

Destroy target nonblack creature. Create a 1/1 black Faerie Rogue creature token with flying.

Candy Grapple

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
Target creature gets -3/-3 until end of turn. If this spell was bargained, that creature gets -5/-5 until end of turn instead.

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

Dimir Signet

Spell Stutter

Counter target spell unless its controller pays {2} plus an additional {1} for each Faerie you control.

Desperate Parry

Target creature gets -4/-0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Obyra's Attendants

Obyra's Attendants // Desperate Parry

Thieving Sprite

Flying
When Thieving Sprite enters, target player reveals X cards from their hand, where X is the number of Faeries you control. You choose one of those cards. That player discards that card.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.