Whenever another permanent enters the battlefield under your control, each opponent mills a card.

Enchant creature card in a graveyard

When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

Bad River enters the battlefield tapped.

{T}, Sacrifice Bad River: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

Cycling {B} ({B}, Discard this card: Draw a card.)

Equipped creature gets +1/+1 for each land you control.

Equip legendary creature {3}

Equip {7}

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.

Equip {2}

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

Equipped creature has first strike, trample, and haste.

Equip {1}

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

{T}: Add {U} or {B}.

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)

{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

{T}: Add one mana of any color in your commander's color identity.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Counter target spell. Its controller mills four cards.

{U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card.

Each player discards all the cards in their hand, then draws that many cards minus one.

Indestructible

{T}: Add one mana of any color.

{1}, {T}: Add {U}{B}.

Counter target spell. Its controller mills three cards.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{B}.

{T}: Add {U} or {B}.

{U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

{1}, {T}: Add {U}{B}.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

{1}{U}{B}: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life.

{2}{U}{B}: Target player mills two cards.

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

({T}: Add {U} or {B}.)

Fetid Pools enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Each opponent mills fourteen cards.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

When you cycle Fractured Sanity, each opponent mills four cards.

Frost Marsh enters the battlefield tapped.

{T}: Add {U} or {B}.

Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.

{T}: Add three mana of any one color.

Destroy target nonartifact creature. Its controller mills cards equal to that creature's power.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Guiltfeeder attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Equipped creature has vigilance, trample, and haste.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

({T}: Add {U} or {B}.)

Ice Tunnel enters the battlefield tapped.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Counter target spell. If {B} was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Jwar Isle Refuge enters the battlefield tapped.

When Jwar Isle Refuge enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Hexproof

Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

Cycling {U} ({U}, Discard this card: Draw a card.)

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

Kicker {3}{U}

Each opponent mills eight cards. If this spell was kicked, instead each opponent mills half their library, rounded up.

When Manic Scribe enters the battlefield, each opponent mills three cards.

Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip {3}

Equipped creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever equipped creature deals combat damage to a player, you may draw a card.

Equip {2}

Whenever an opponent casts a spell, that player mills two cards.

Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Flying

Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard.

Mistvault Bridge enters the battlefield tapped.

Indestructible

{T}: Add {U} or {B}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Mistvein Borderpost enters the battlefield tapped.

{T}: Add {U} or {B}.

Whenever Nemesis of Reason attacks, defending player mills ten cards.

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.

At the beginning of your upkeep, target opponent mills three cards, then you draw a card for each land card put into their graveyard this way.

Indestructible

As long as your devotion to blue and black is less than seven, Phenax isn't a creature.

Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Whenever a creature card is put into an opponent's graveyard from anywhere, you gain 1 life.

Whenever you draw a card, each opponent mills two cards.

Counter target spell. Its controller mills two cards.

Whenever Rakshasa Debaser attacks, put target creature card from defending player's graveyard onto the battlefield under your control.

Encore {6}{B}{B} ({6}{B}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Put all creature cards from all graveyards onto the battlefield under your control.

Salt Marsh enters the battlefield tapped.

{T}: Add {U} or {B}.

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.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever enchanted creature deals combat damage to an opponent, you may draw a card.

{T}: Add {C}{C}.

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process.

{5}{U}: Draw a card, then discard a card.

({T}: Add {U} or {B}.)

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

When Teferi's Tutelage enters the battlefield, draw a card, then discard a card.

Whenever you draw a card, target opponent mills two cards. (They put the top two cards of their library into their graveyard.)

Temple of Deceit enters the battlefield tapped.

When Temple of Deceit enters the battlefield, scry 1.

{T}: Add {U} or {B}.

{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.

(Transforms from Thaumatic Compass.)

{T}: Add {C}.

{T}: Untap target attacking creature an opponent controls and remove it from combat.

Counter target spell. Its controller mills three cards.

Target opponent reveals their hand. You may put a creature card from it onto the battlefield under your control. That creature gains haste. Sacrifice it at the beginning of the next end step.

Whenever equipped creature attacks, defending player reveals cards from the top of their library until they reveal a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into their graveyard.

Equip {2}

If a Zombie you control would deal combat damage to a player, instead that player mills that many cards.

Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token.

Return all permanents of the color of your choice to their owners' hands.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Return target nonland permanent to its owner's hand. Each player mills two cards.