Anafenza, Kin-Tree Spirit

Whenever another nontoken creature you control enters, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Ghostly Sentinel

Ghosts of the Damned

{T}: Target creature gets -1/-0 until end of turn.

Ghostly Touch

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

Blessed Spirits

Flying
Whenever you cast an enchantment spell, put a +1/+1 counter on this creature.

Ghostfire

Ghostfire is colorless.
Ghostfire deals 3 damage to any target.

Pteron Ghost

Flying
Sacrifice this creature: Regenerate target artifact.

Ghostly Wings

Enchant creature
Enchanted creature gets +1/+1 and has flying.
Discard a card: Return enchanted creature to its owner's hand.

Karlov of the Ghost Council

Whenever you gain life, put two +1/+1 counters on Karlov.
{W}{B}, Remove six +1/+1 counters from Karlov: Exile target creature.

Skulking Ghost

Flying
When this creature becomes the target of a spell or ability, sacrifice it.

Ghost Warden

{T}: Target creature gets +1/+1 until end of turn.

Ghostly Possession

Enchant creature
Enchanted creature has flying.
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Accursed Spirit

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

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Ghosts of the Innocent

If a source would deal damage to a permanent or player, it deals half that damage, rounded down, to that permanent or player instead.

Obzedat, Ghost Council

When Obzedat enters, target opponent loses 2 life and you gain 2 life.
At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste.

Ghost Town

{T}: Add {C}.
{0}: Return this land to its owner's hand. Activate only if it's not your turn.

Ruin Ghost

{W}, {T}: Exile target land you control, then return it to the battlefield under your control.

Ghostly Flicker

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

Ghostly Visit

Ghost-Lit Warder

{3}{U}, {T}: Counter target spell unless its controller pays {2}.
Channel — {3}{U}, Discard this card: Counter target spell unless its controller pays {4}.

Karador, Ghost Chieftain

This spell costs {1} less to cast for each creature card in your graveyard.
Once during each of your turns, you may cast a creature spell from your graveyard.

Ghost Council of Orzhova

When Ghost Council of Orzhova enters, target opponent loses 1 life and you gain 1 life.
{1}, Sacrifice a creature: Exile Ghost Council of Orzhova. Return it to the battlefield under its owner's control at the beginning of the next end step.

Ghost-Lit Raider

{2}{R}, {T}: This creature deals 2 damage to target creature.
Channel — {3}{R}, Discard this card: It deals 4 damage to target creature.

Ghostfire Blade

Equipped creature gets +2/+2.
Equip {3}
This Equipment's equip ability costs {2} less to activate if it targets a colorless creature.

Ghost-Lit Stalker

{4}{B}, {T}: Target player discards two cards. Activate only as a sorcery.
Channel — {5}{B}{B}, Discard this card: Target player discards four cards. Activate only as a sorcery.

Teysa, Envoy of Ghosts

Vigilance, protection from creatures
Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.

Belfry Spirit

Flying
Haunt (When this creature dies, exile it haunting target creature.)
When this creature enters or the creature it haunts dies, create two 1/1 black Bat creature tokens with flying.

Ghost-Lit Redeemer

{W}, {T}: You gain 2 life.
Channel — {1}{W}, Discard this card: You gain 4 life.

Bloodied Ghost

Flying
This creature enters with a -1/-1 counter on it.

Kaya, Ghost Assassin

0: Exile Kaya or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of your next upkeep. You lose 2 life.
−1: Each opponent loses 2 life and you gain 2 life.
−2: Each opponent discards a card and you draw a card.

Ghost Ship

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

Ghost Quarter

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Ghost-Lit Nourisher

{2}{G}, {T}: Target creature gets +2/+2 until end of turn.
Channel — {3}{G}, Discard this card: Target creature gets +4/+4 until end of turn.

Ghost Tactician

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

Ghostway

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Kaya's Ghostform

Enchant creature or planeswalker you control
When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

Ghost Hounds

Vigilance
Whenever this creature blocks or becomes blocked by a white creature, this creature gains first strike until end of turn.

Genju of the Realm

Enchant land
{2}: Enchanted land becomes a legendary 8/12 Spirit creature with trample until end of turn. It's still a land.
When enchanted land is put into a graveyard, you may return Genju of the Realm from your graveyard to your hand.

Ghostblade Eidolon

Bestow {5}{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.)
Double strike (This creature deals both first-strike and regular combat damage.)
Enchanted creature gets +1/+1 and has double strike.