Zealous Strike

Target creature gets +2/+2 and gains first strike until end of turn.

Just the Wind

Return target creature to its owner's hand.
Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Chapel Geist

Lost in the Mist

Counter target spell. Return target permanent to its owner's hand.

Rebuke

Silent Observer

Sleep Paralysis

Enchant creature
When Sleep Paralysis enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Stormrider Spirit

Shimmering Grotto

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Voiceless Spirit

Cursebreak

Destroy target enchantment. You gain 2 life.

Displace

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Niblis of Dusk

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

Moonlight Geist

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

Gone Missing

Put target permanent on top of its owner's library.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Angelic Purge

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

Divination

Skillful Lunge

Target creature gets +2/+0 and gains first strike until end of turn.

Ghostly Flicker

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Apothecary Geist

Flying
When Apothecary Geist enters the battlefield, if you control another Spirit, you gain 3 life.

Traveler's Amulet

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Vessel of Paramnesia

{U}, Sacrifice Vessel of Paramnesia: Target player mills three cards. Draw a card.

Peel from Reality

Return target creature you control and target creature you don't control to their owners' hands.

Turn Aside

Counter target spell that targets a permanent you control.

Moorland Drifter

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

Fleeting Distraction

Target creature gets -1/-0 until end of turn.
Draw a card.

Fogwalker

Skulk (This creature can't be blocked by creatures with greater power.)
When Fogwalker enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

Doomed Traveler

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Saving Grasp

Return target creature you own to your hand.
Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cloudshift

Exile target creature you control, then return that card to the battlefield under your control.

Niblis of the Mist

Flying
When Niblis of the Mist enters the battlefield, you may tap target creature.

Island

Defang

Enchant creature
Prevent all damage that would be dealt by enchanted creature.

Convolute

Counter target spell unless its controller pays {4}.

Terrarion

Terrarion enters the battlefield tapped.
{2}, {T}, Sacrifice Terrarion: Add two mana in any combination of colors.
When Terrarion is put into a graveyard from the battlefield, draw a card.

Shriekgeist

Flying
Whenever Shriekgeist deals combat damage to a player, that player mills two cards.

Survive the Night

Target creature gets +1/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Momentary Blink

Exile target creature you control, then return it to the battlefield under its owner's control.
Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Silent Departure

Return target creature to its owner's hand.
Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Vessel of Ephemera

{2}{W}, Sacrifice Vessel of Ephemera: Create two 1/1 white Spirit creature tokens with flying.

Plains

Elgaud Inquisitor

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When Elgaud Inquisitor dies, create a 1/1 white Spirit creature token with flying.

Crippling Chill

Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Spectral Prison

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
When enchanted creature becomes the target of a spell, sacrifice Spectral Prison.

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.)

Moment of Heroism

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Puncturing Light

Destroy target attacking or blocking creature with power 3 or less.

Tattered Haunter

Flying
Tattered Haunter can block only creatures with flying.

Geist Snatch

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

Geist of the Moors

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Claustrophobia

Enchant creature
When Claustrophobia enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Drag Under

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

Spectral Reserves

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

Amass the Components

Draw three cards, then put a card from your hand on the bottom of your library.

Righteous Blow

Righteous Blow deals 2 damage to target attacking or blocking creature.

Spectral Gateguards

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Spectral Gateguards is paired with another creature, both creatures have vigilance.

Emissary of the Sleepless

Flying
When Emissary of the Sleepless enters the battlefield, if a creature died this turn, create a 1/1 white Spirit creature token with flying.

Jace's Scrutiny

Target creature gets -4/-0 until end of turn.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Bone to Ash

Counter target creature spell.
Draw a card.

Stormbound Geist

Flying
Stormbound Geist 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.)

Dauntless Cathar

{1}{W}, Exile Dauntless Cathar from your graveyard: Create a 1/1 white Spirit creature token with flying. Activate only as a sorcery.

Press for Answers

Tap target creature. It doesn't untap during its controller's next untap step.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Think Twice

Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Guardian of Pilgrims

When Guardian of Pilgrims enters the battlefield, target creature gets +1/+1 until end of turn.

Deny Existence

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