Flying

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

Flying

Noncreature spells you control can't be countered.

If Benevolent Geist would be put into a graveyard from anywhere, exile it instead.

Flying

Flying, deathtouch

If Covetous Geist would be put into a graveyard from anywhere, exile it instead.

Whenever Distracting Geist attacks, tap target creature defending player controls.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

When Dungeon Geists enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Dungeon Geists.

Prowess

When Frenzied Geistblaster enters the battlefield, if there are twenty or more instant and/or sorcery cards among cards in your graveyard, hand, and library, you may discard a card. If you do, seek an instant or sorcery card.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever Geist of Saint Traft attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat.

Defender, flying

Delirium — Geist of the Lonely Vigil can attack as though it didn't have defender as long as there are four or more card types among cards in your graveyard.

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

Geistblast deals 2 damage to any target.

, Exile Geistblast from your graveyard: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

When Geistchanneler enters the battlefield, choose an instant or sorcery card in your hand with mana value 3 or greater. It perpetually gains "This spell costs less to cast."

Whenever you cast an instant or sorcery spell, put a charge counter on Geistflame Reservoir.

, , Remove any number of charge counters from Geistflame Reservoir: It deals that much damage to any target.

, : Exile the top card of your library. You may play that card this turn.

Vigilance

Geist-Honored Monk's power and toughness are each equal to the number of creatures you control.

When Geist-Honored Monk enters the battlefield, create two 1/1 white Spirit creature tokens with flying.

Trample

When Geistpack Alpha dies, seek a permanent card with mana value equal to the number of lands you control.

Flying

, Exile Heron-Blessed Geist from your graveyard: Create two 1/1 white Spirit creature tokens with flying. Activate only if you control an enchantment and only as a sorcery.

+1: Creatures you control gain deathtouch until end of turn. Put a +1/+1 counter on up to one target creature token you control.

−2: Until end of turn, if one or more tokens would be created under your control, twice that many of those tokens are created instead.

−6: Exile all cards from all graveyards, then create a 1/1 white Spirit creature token with flying for each card exiled this way.

Whenever Mischievous Catgeist deals combat damage to a player, draw a card.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

: Prevent all combat damage that would be dealt to and dealt by Moonlight Geist this turn.

Flying

Whenever a creature dies, you may roll a six-sided die. If you roll a 1, sacrifice Poultrygeist. Otherwise, put a +1/+1 counter on Poultrygeist.

Flying

: Searchlight Geist gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Flying

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

Haste

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.)

Lifelink

Whenever you cast a spell from your graveyard, create a 1/1 white Spirit creature token with flying.

Sacrifice a Spirit: Thalia's Geistcaller gains indestructible until end of turn.

Flying

When Topplegeist enters the battlefield, tap target creature an opponent controls.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.

Double strike

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Wildwood Geist gets +2/+2 as long as it's your turn.

Enchant creature

Enchanted creature gets +X/+X, where X is the number of creature cards in your graveyard.