If it's neither day nor night, it becomes day as Obsessive Astronomer enters the battlefield.

Whenever day becomes night or night becomes day, discard up to two cards, then draw that many cards.

As this creature transforms into Olag, Ludevic's Hubris, it becomes a copy of a creature card exiled with it, except its name is Olag, Ludevic's Hubris, it's 4/4, and it's a legendary blue and black Zombie in addition to its other colors and types. Put a number of +1/+1 counters on Olag equal to the number of creature cards exiled with it.

Target creature gets -2/-2 until end of turn. If it's night, that creature gets -13/-13 until end of turn instead.

When Organ Hoarder enters the battlefield, look at the top three cards of your library, then put one of them into your hand and the rest into your graveyard.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Overgrown Farmland enters the battlefield tapped unless you control two or more other lands.

: Add or .

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If you control a Wolf or Werewolf, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying

Other Spirits you control get +1/+1.

Spells you cast from your graveyard cost less to cast.

Flying

When Phantom Carriage enters the battlefield, you may search your library for a card with flashback or disturb, put it into your graveyard, then shuffle.

Destroy target creature with flying.

Whenever you cast an instant or sorcery spell, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

At the beginning of your upkeep, if you control three or more creature tokens, you may transform Poppet Stitcher.

Flying

Whenever Purifying Dragon attacks, it deals 1 damage to target creature defending player controls. If that creature is a Zombie, Purifying Dragon deals 2 damage to it instead.

At the beginning of combat on your turn, target creature you control gets +1/+0 and gains haste until end of turn.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Choose one —

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Create two 3/3 green Insect creature tokens. You gain 2 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, sacrifice a nonland permanent.

Exile target nonland permanent.

Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Creatures you control get +1/+1 until end of turn.

Coven — If you control three or more creatures with different powers, creatures you control get +2/+1 until end of turn instead.

: Add one mana of any color.

: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.

, , Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

Sacred Fire deals 2 damage to any target and you gain 2 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Seafaring Werewolf can't be blocked.

Whenever Seafaring Werewolf deals combat damage to a player, draw a card.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Lifelink

Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Menace (This creature can't be blocked except by two or more creatures.)

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

When Shipwreck Sifters enters the battlefield, draw a card, then discard a card.

Whenever you discard a Spirit card or a card with disturb, put a +1/+1 counter on Shipwreck Sifters.

Flying, trample

Humans you control get +1/+1.

Coven — Whenever Sigarda attacks, if you control three or more creatures with different powers, look at the top five cards of your library. You may reveal a Human creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying

When Sigardian Savior enters the battlefield, if you cast it, return up to two target creature cards with mana value 2 or less from your graveyard to the battlefield.

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

Flashback

When Slaughter Specialist enters the battlefield, each opponent creates a 1/1 white Human creature token.

Whenever a creature an opponent controls dies, put a +1/+1 counter on Slaughter Specialist.

Whenever Sludge Monster enters the battlefield or attacks, put a slime counter on up to one other target creature.

Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

: Snarling Wolf gets +2/+2 until end of turn. Activate only once each turn.

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 you cast an instant or sorcery spell, Spellrune Painter gets +1/+1 until end of turn.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Target creature gets -2/-0 until end of turn. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Draw a card.

Flying

Instant and sorcery spells you cast cost less to cast.

Whenever you cast an instant or sorcery spell, Storm Skreelix gets +2/+0 until end of turn.

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains trample and haste until end of turn.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Enchant creature or planeswalker an opponent controls

At the beginning of your upkeep, enchanted permanent's controller sacrifices a nonland permanent, then that player loses 1 life.

: Stuffed Bear becomes a 4/4 green Bear artifact creature until end of turn.

Whenever Sungold Sentinel enters the battlefield or attacks, exile up to one target card from a graveyard.

Coven — : Choose a color. Sungold Sentinel gains hexproof from that color until end of turn and can't be blocked by creatures of that color this turn. Activate only if you control three or more creatures with different powers.

If an opponent has more life than you, you gain 4 life.

If an opponent controls more creatures than you, create two 1/1 white Human creature tokens.

If an opponent has more cards in hand than you, draw a card.

Suspicious Stowaway can't be blocked.

Whenever Suspicious Stowaway deals combat damage to a player, draw a card, then discard a card.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Deathtouch

When Tainted 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 Tainted Adversary, then create twice that many 2/2 black Zombie creature tokens with decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

+1: Choose up to one target artifact, up to one target creature, and up to one target land. Untap the chosen permanents you control. Tap the chosen permanents you don't control. You gain 2 life.

−2: Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

−7: You get an emblem with "Untap all permanents you control during each opponent's untap step" and "You draw a card during each opponent's draw step."

When The Meathook Massacre enters the battlefield, each creature gets -X/-X until end of turn.

Whenever a creature you control dies, each opponent loses 1 life.

Whenever a creature an opponent controls dies, you gain 1 life.

Exile target Spirit, creature with disturb, or enchantment.

Vigilance

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.

: Target Wolf or Werewolf you control gets +X/+0 and gains trample until end of turn.

Nightbound

Whenever Tovolar's Packleader enters the battlefield or attacks, create two 2/2 green Wolf creature tokens.

: Another target Wolf or Werewolf you control fights target creature you don't control.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Choose up to three target cards in graveyards. The owners of those cards shuffle them into their libraries. You gain 2 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)