Think Twice

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

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.)

Sensory Deprivation

Enchant creature
Enchanted creature gets -3/-0.

Peel from Reality

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

Voiceless Spirit

Niblis of the Breath

Flying
{U}, {T}: You may tap or untap target creature.

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.)

Niblis of the Mist

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

Spectral Rider

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Spare from Evil

Creatures you control gain protection from non-Human creatures until end of turn.

Rebuke

Artful Dodge

Target creature can't be blocked this turn.
Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Ghostly Touch

Enchant creature
Enchanted creature has "Whenever this creature attacks, you may tap or untap target permanent."

Tower Geist

Flying
When Tower Geist enters, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Outwit

Counter target spell that targets a player.

Plains

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. 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.

Island

Shriekgeist

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

Divination

Ghostly Flicker

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

Niblis of the Urn

Flying
Whenever Niblis of the Urn attacks, you may tap target creature.

Evolving Wilds

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

Fettergeist

Flying
At the beginning of your upkeep, sacrifice Fettergeist unless you pay {1} for each other creature you control.

Hysterical Blindness

Creatures your opponents control get -4/-0 until end of turn.

Ghostform

Up to two target creatures can't be blocked this turn.

Feeling of Dread

Tap up to two target creatures.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Chapel Geist

Latch Seeker

Crippling Chill

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

Gallows Warden

Flying
Other Spirit creatures you control get +0/+1.

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Favorable Winds

Creatures you control with flying get +1/+1.

Cloudshift

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

Faith's Shield

Target permanent you control gains protection from the color of your choice until end of turn.
Fateful hour — If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.

Battleground Geist

Flying
Other Spirit creatures you control get +1/+0.

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.)

Moon Heron

Banishing Stroke

Put target artifact, creature, or enchantment on the bottom of its owner's library.
Miracle {W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Vanishment

Put target nonland permanent on top of its owner's library.
Miracle {U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Into the Void

Return up to two target creatures to their owners' hands.

Moonlight Geist

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

Midnight Haunting

Create two 1/1 white Spirit creature tokens with flying.

Skillful Lunge

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

Fleeting Distraction

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

Hollowhenge Spirit

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Hollowhenge Spirit enters, remove target attacking or blocking creature from combat.