Flying

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

Flying

Whenever Sibilant Spirit attacks, defending player may draw a card.

When Silent-Chant Zubera dies, you gain 2 life for each Zubera that died this turn.

Flying

Whenever you cast a Spirit or Arcane spell, you may draw a card.

Flying

When Skulking Ghost becomes the target of a spell or ability, sacrifice it.

Flying, first strike

Flying

Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn.

Flash

Flying

When Soldier of the Grey Host enters the battlefield, target creature gets +2/+0 until end of turn.

Whenever you sacrifice another permanent, you may pay . If you do, create a token that's a copy of Sorcerer's Broom.

Flying

When Soul Seizer deals combat damage to a player, you may transform it. If you do, attach it to target creature that player controls.

Pay 3 life: Put a +1/+1 counter on Souldrinker.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.

At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

As an additional cost to cast this spell, discard a card or sacrifice a permanent.

Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.

Soulsworn Spirit can't be blocked.

When Soulsworn Spirit enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Flash

Flying

When Spectral Adversary enters the battlefield, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Spectral Adversary, then up to that many other target artifacts, creatures, and/or enchantments phase out.

Whenever Spectral Bears attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step.

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.

: Creatures you control get +1/+1 and gain trample until end of turn.

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

Flying

: Return target Spirit you control to its owner's hand.

Flash

Flying

When Spell Queller enters the battlefield, exile target spell with mana value 4 or less.

When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)

When Spirit of Malevolence dies, each opponent loses 1 life and you gain 1 life.

Flying

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Each player can't draw more than one card each turn.

When Spirit of the Season enters the battlefield, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When Spiritual Guardian enters the battlefield, you gain 4 life.

When Starving Revenant enters the battlefield, surveil 2. Then for each card you put on top of your library, you draw a card and you lose 3 life.

Descend 8 — Whenever you draw a card, if there are eight or more permanent cards in your graveyard, target opponent loses 1 life and you gain 1 life.

Defender (This creature can't attack.)

Flying

When Stoic Ephemera blocks, sacrifice it at end of combat.

Whenever one or more cards are put into exile during your turn, put a +1/+1 counter on Stonebinder's Familiar. This ability triggers only once each turn.

Flying

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

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.)

Flash

Flying

Flying

Whenever a permanent entering the battlefield causes a triggered ability to trigger, counter that ability unless its controller pays .

Protection from red

: Subterranean Spirit deals 1 damage to each creature without flying.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Flying

If a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

Whenever a noncreature source you control deals damage, you gain that much life.

Sacrifice Teardrop Kami: You may tap or untap target creature.

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard.

: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.

Flying, trample

Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Defender

Whenever you surveil, put a +1/+1 counter on Thoughtbound Phantasm.

As long as Thoughtbound Phantasm has three or more +1/+1 counters on it, it can attack as though it didn't have defender.

Flying, first strike

Haste

Whenever Thundering Raiju attacks, put a +1/+1 counter on target creature you control. Then Thundering Raiju deals X damage to each opponent, where X is the number of modified creatures you control other than Thundering Raiju. (Equipment, Auras you control, and counters are modifications.)

Tome Anima can't be blocked as long as you've drawn two or more cards this 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.

Tormented Soul can't block and can't be blocked.

Flying

, Tap two untapped creatures you control: Return target permanent to its owner's hand.

Flying

At the beginning of your end step, tap all lands you control.

: Twilight Panther gains deathtouch until end of turn.