Tattered Haunter

Flying
This creature can block only creatures with flying.

Veil of Secrecy

Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)
Splice onto Arcane—Return a blue creature you control to its owner's hand. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Stormbound Geist

Flying
This creature can block only creatures with flying.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Ghost Ship

Flying
{U}{U}{U}: Regenerate this creature.

Reach Through Mists

Eidolon of Philosophy

{6}{U}, Sacrifice this creature: Draw three cards.

Snow-Covered Plains

Keening Apparition

Sacrifice this creature: Destroy target enchantment.

Watcher in the Mist

Flying
When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Emissary of the Sleepless

Flying
When this creature enters, if a creature died this turn, create a 1/1 white Spirit creature token with flying.

Vessel of Ephemera

{2}{W}, Sacrifice this enchantment: Create two 1/1 white Spirit creature tokens with flying.

Azorius Signet

Shimmering Glasskite

Flying
Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability.

Ghost Tactician

{W}, {T}, Discard a card: Creatures you control get +1/+0 until end of turn.

Teller of Tales

Flying
Whenever you cast a Spirit or Arcane spell, you may tap or untap target creature.

Azorius Cluestone

{T}: Add {W} or {U}.
{W}{U}, {T}, Sacrifice this artifact: Draw a card.

Scion of Ugin

Arcane Signet

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

Counterspell

Waxmane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
{1}, Remove X ki counters from this creature: Tap X target creatures.

Stonerise Spirit

Flying
{4}, Exile a card from your graveyard: Target creature gains flying until end of turn.

Spectral Reserves

Create two 1/1 white Spirit creature tokens with flying. You gain 2 life.

Rousing of Souls

Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 1/1 white Spirit creature token with flying. Then each player draws a card.

Niblis of Dusk

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Drogskol Captain

Flying
Other Spirit creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Ribbons of the Reikai

Vassal Soul

Wayfarer's Bauble

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Nine-Tail White Fox

Whenever this creature deals combat damage to a player, draw a card.

Voiceless Spirit

Journey to Nowhere

When this enchantment enters, exile target creature.
When this enchantment leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Ravenform

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying.
Foretell {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.)

Spiritual Visit

Create a 1/1 colorless Spirit creature token.
Splice onto Arcane {W} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Moon Heron

Quillmane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
{1}, {T}, Remove X ki counters from this creature: Return target creature with mana value X or less to its owner's hand.

Floating-Dream Zubera

When this creature dies, draw a card for each Zubera that died this turn.

Custodi Squire

Flying
Will of the council — When this creature enters, starting with you, each player votes for an artifact, creature, or enchantment card in your graveyard. Return each card with the most votes or tied for most votes to your hand.

Lantern Kami

Shinen of Stars' Light

First strike
Channel — {1}{W}, Discard this card: Target creature gains first strike until end of turn.

Sanctum Spirit

Lifelink
Discard a historic card: This creature gains indestructible until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Dreamcatcher

Whenever you cast a Spirit or Arcane spell, you may sacrifice this creature. If you do, draw a card.

Arcane Denial

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.

Kami of Ancient Law

Geist Snatch

Counter target creature spell. Create a 1/1 blue Spirit creature token with flying.

Pilgrim of the Ages

When this creature enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.
{6}: Return this card from your graveyard to your hand.

Shinen of Flight's Wings

Flying
Channel — {U}, Discard this card: Target creature gains flying until end of turn.

Guardian of Pilgrims

When this creature enters, target creature gets +1/+1 until end of turn.

Callous Deceiver

{1}: Look at the top card of your library.
{2}: Reveal the top card of your library. If it's a land card, this creature gets +1/+0 and gains flying until end of turn. Activate only once each turn.

Roaming Ghostlight

Flying
When this creature enters, return up to one target non-Spirit creature to its owner's hand.

Hundred-Talon Kami

Flying
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Martyr's Soul

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
When this creature enters, if you control no tapped lands, put two +1/+1 counters on it.

Valor of the Worthy

Enchant creature
Enchanted creature gets +1/+1.
When enchanted creature leaves the battlefield, create a 1/1 white Spirit creature token with flying.

Revered Dead

Chapel Geist

Moorland Drifter

Delirium — This creature has flying as long as there are four or more card types among cards in your graveyard.

Otherworldly Journey

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.

Ideas Unbound

Draw three cards. Discard three cards at the beginning of the next end step.

Island

Guardian of the Guildpact

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Hopeful Eidolon

Bestow {3}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Enchanted creature gets +1/+1 and has lifelink.

Winged Words

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Peer Through Depths

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Torii Watchward

Vigilance (Attacking doesn't cause this creature to tap.)
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Triplicate Spirits

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 white Spirit creature tokens with flying.

Geist of the Moors

Terashi's Grasp

Destroy target artifact or enchantment. You gain life equal to its mana value.

Brainstorm

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

Celestial Messenger

Flash (You may cast this card any time you could cast an instant.)
Flying
This creature gets +1/+1 as long as you control a Yanling planeswalker.

Soulsworn Jury

Defender (This creature can't attack.)
{1}{U}, Sacrifice this creature: Counter target creature spell.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Teardrop Kami

Sacrifice this creature: You may tap or untap target creature.

Moonlight Geist

Flying
{3}{W}: Prevent all combat damage that would be dealt to and dealt by this creature this turn.

Moonlit Strider

Sacrifice this creature: Target creature you control gains protection from the color of your choice until end of turn.
Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)