When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Spells and abilities your opponents control can't cause their controller to search their library.

-1: Target player mills four cards. Then exile each opponent's graveyard.

Defender

When Barrier of Bones enters the battlefield, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

{5}, {T}: Each opponent loses 2 life. This ability costs {1} less to activate for each creature card in your graveyard.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard.

When Carrion Grub enters the battlefield, mill four cards. (Put the top four cards of your library into your graveyard.)

Flying

When Citywatch Sphinx dies, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying

When Crow of Dark Tidings enters the battlefield or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Flying

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

As long as you've surveilled this turn, Darkblade Agent has deathtouch and "Whenever this creature deals combat damage to a player, you draw a card."

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Flying

At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

Despoiler of Souls can't block.

{B}{B}, Exile two other creature cards from your graveyard: Return Despoiler of Souls from your graveyard to the battlefield.

Whenever one or more cards are put into your graveyard from your library, Devourer of Memory gets +1/+1 until end of turn and can't be blocked this turn.

{1}{U}{B}: Mill a card.

When Dimir Informant enters the battlefield, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying

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

Whenever you surveil, put a +1/+1 counter on Dimir Spybug.

Deathtouch

When Diregraf Scavenger enters the battlefield, exile up to one target card from a graveyard. If a creature card was exiled this way, each opponent loses 2 life and you gain 2 life.

Flash

Flying

When Dream Eater enters the battlefield, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Each player puts a creature card from their graveyard onto the battlefield.

Each player mills two cards. Then you put a creature card from a graveyard onto the battlefield under your control.

Flying

Whenever another creature leaves the battlefield, you may have target player mill two cards.

Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Eyeblight Cullers dies, create three 1/1 green Elf Warrior creature tokens, then mill three cards. (Put the top three cards of your library into your graveyard.)

When Forsaken Drifters dies, mill four cards.

{2}{B}, Discard two cards: Return Ghoulsteed from your graveyard to the battlefield tapped.

Flying

When Gorging Vulture enters the battlefield, mill four cards. You gain 1 life for each creature card milled this way. (To mill a card, put the top card of your library into your graveyard.)

Choose target creature. Mill three cards, then put a +1/+1 counter on that creature for each creature card in your graveyard.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever Graveblade Marauder deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.

As long as there are four or more creature cards in your graveyard, Gray Slaad has menace and deathtouch.

---

Mill four cards. (Then exile this card. You may cast the creature later from exile.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

{1}{U}, {T}: Target creature doesn't untap during its controller's next untap step.

{2}{B}, {T}: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Menace

When Hunted Nightmare enters the battlefield, target opponent puts a deathtouch counter on a creature they control.

When Kederekt Leviathan enters the battlefield, return all other nonland permanents to their owners' hands.

Unearth {6}{U} ({6}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Laboratory Brute enters the battlefield, mill four cards.

When Lazav, the Multifarious enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{X}: Lazav, the Multifarious becomes a copy of target creature card in your graveyard with mana value X, except its name is Lazav, the Multifarious, it's legendary in addition to its other types, and it has this ability.

Undergrowth -- When Lotleth Giant enters the battlefield, it deals 1 damage to target opponent for each creature card in your graveyard.

Undergrowth -- When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can't be blocked except by two or more creatures.)

When Necromancer's Assistant enters the battlefield, mill three cards.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Flying

{X}, {T}, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Flying

When Nephalia Moondrakes enters the battlefield, target creature gains flying until end of turn.

{4}{U}{U}, Exile Nephalia Moondrakes from your graveyard: Creatures you control gain flying until end of turn.

{1}{B}: Exile target card from an opponent's graveyard. If no cards are in that graveyard, flip Nezumi Graverobber.

{4}{B}: Put target creature card from a graveyard onto the battlefield under your control.

Bestow {2}{B}{B} (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.)

Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Flying

Whenever Nightveil Sprite attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Escape--{5}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Pharika's Spawn escapes with two +1/+1 counters on it. When it enters the battlefield this way, each opponent sacrifices a non-Gorgon creature.

When Ravenous Gigamole enters the battlefield, mill three cards. You may put a creature card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Ravenous Gigamole. (To mill a card, put the top card of your library into your graveyard.)

As an additional cost to cast this spell, exile a creature card from your graveyard.

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.)

Scrapheap Scrounger can't block.

{1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the battlefield.

When Screeching Skaab enters the battlefield, mill two cards.

As Sewer Nemesis enters the battlefield, choose a player.

Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard.

Whenever the chosen player casts a spell, that player mills a card.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

When Sibsig Muckdraggers enters the battlefield, return target creature card from your graveyard to your hand.

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.)

Choose a Background (You can have a Background as a second commander.)

When Snooping Newsie enters the battlefield, mill two cards. (Put the top two cards of your library into your graveyard.)

As long as there are five or more mana values among cards in your graveyard, Snooping Newsie gets +1/+1 and has lifelink.

Soulcipher Board enters the battlefield with three omen counters on it.

{1}{U}, {T}: Look at the top two cards of your library. Put one of them into your graveyard.

Whenever a creature card is put into your graveyard from anywhere, remove an omen counter from Soulcipher Board. Then if it has no omen counters on it, transform it.

Flying

Cipherbound Spirit can block only creatures with flying.

{3}{U}: Draw two cards, then discard a card.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

Flying

When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Return target creature card from your graveyard to your hand.

Threshold -- Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Flying

When Sultai Skullkeeper enters the battlefield, mill two cards.

{T}: Add {B}.

Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

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.

Whenever Underworld Sentinel attacks, exile target creature card from your graveyard.

When Underworld Sentinel dies, put all cards exiled with it onto the battlefield.

Deathtouch

When Venomous Hierophant enters the battlefield, mill three cards.

Deathtouch

When Vile Entomber enters the battlefield, search your library for a card, put that card into your graveyard, then shuffle.

When Wailing Ghoul enters the battlefield, mill two cards.

Flying

When Watcher in the Mist enters the battlefield, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flash

When Whisper Agent enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Whenever you surveil for the first time each turn, Whispering Snitch deals 1 damage to each opponent and you gain 1 life.