As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

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.

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

Minion creatures get +1/+1.

{B}{B}{B}, Exile Balthor the Defiled: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Bojuka Bog enters tapped.

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

{T}: Add {B}.

Flying

Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Bone Shredder enters, destroy target nonartifact, nonblack creature.

Destroy all creatures. Lands you control don't untap during your next untap step.

{T}: Put a bounty counter on target nonblack creature.

{T}: Destroy target creature with a bounty counter on it.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

As Brass Herald enters the battlefield, choose a creature type.

When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Creatures of the chosen type get +1/+1.

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

{T}: Add {C}.

{3}, {T}: Add {B} for each basic Swamp you control.

{2}{B}{B}, {T}, Exile two cards from your graveyard: Return target creature card from your graveyard to your hand.

{B}, {T}: Target creature gets -1/-1 until end of turn.

Threshold -- {3}{B}{B}, {T}: Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

Castle Locthwain enters the battlefield tapped unless you control a Swamp.

{T}: Add {B}.

{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)

At the beginning of your upkeep, you may mill three cards. Then if there are twenty or more cards in your graveyard, you may play the exiled card without paying its mana cost.

All Nightmares get +1/+1.

{B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.

When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Charcoal Diamond enters tapped.

{T}: Add {B}.

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Crypt of Agadeem enters the battlefield tapped.

{T}: Add {B}.

{2}, {T}: Add {B} for each black creature card in your graveyard.

{T}, Sacrifice a creature: Put a charge counter on Culling Dais.

{1}, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

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

Add {B}{B}{B}{B}.

Add {B}{B}{B}.

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

{T}: Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Target creature gets -1/-1 until end of turn for each Swamp you control.

Scry 2, then draw two cards. You lose 2 life.

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. You gain life equal to the greatest power among creature cards put into your graveyard this way.

You draw two cards, lose 2 life, then mill two cards.

Changeling (This card is every creature type.)

{1}{B}: Ghostly Changeling gets +1/+1 until end of turn.

Flying

Threshold -- As long as seven or more cards are in your graveyard, Gloomdrifter has "When Gloomdrifter enters the battlefield, nonblack creatures get -2/-2 until end of turn."

Destroy target nonartifact creature.

Changeling (This card is every creature type.)

When Graveshifter enters, you may return target creature card from your graveyard to your hand.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Creature spells you cast cost {2} less to cast.

Creatures you control get -1/-1.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

As Heraldic Banner enters, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

As Icon of Ancestry enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Destroy all creatures you don't control and all planeswalkers you don't control.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Mill X cards. Target player loses 2 life for each creature card put into your graveyard this way.

Morbid -- When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy.

Destroy target nonblack creature.

Undergrowth -- Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

As Mirror of the Forebears enters the battlefield, choose a creature type.

{1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

Changeling (This card is every creature type.)

{B}: Moonglove Changeling gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.)

At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

You draw two cards and you lose 2 life.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Discard a card, Sacrifice Overeager Apprentice: Add {B}{B}{B}.

{T}, Exile any number of cards from your graveyard: Target creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Peat Bog enters tapped with two depletion counters on it.

{T}, Remove a depletion counter from Peat Bog: Add {B}{B}. If there are no depletion counters on Peat Bog, sacrifice it.

{1}, Sacrifice a creature: Put a +1/+1 counter on Phyrexian Broodlings.

As Phyrexian Processor enters the battlefield, pay any amount of life.

{4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as Phyrexian Processor entered the battlefield.

When Priest of Gix enters the battlefield, add {B}{B}{B}.

Scry 2, then draw two cards. You lose 2 life.

Changeling (This card is every creature type.)

{1}{B}: Regenerate Skeletal Changeling.

When Skemfar Shadowsage enters the battlefield, choose one --

• Each opponent loses X life, where X is the greatest number of creatures you control that have a creature type in common.

• You gain X life, where X is the greatest number of creatures you control that have a creature type in common.

When Sleeper Agent enters the battlefield, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

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

When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Add {B} for each creature card in your graveyard.

As Species Specialist enters the battlefield, choose a creature type.

Whenever a creature of the chosen type dies, you may draw a card.

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.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Changeling (This card is every creature type.)

As Vanquisher's Banner enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Whenever you cast a creature spell of the chosen type, draw a card.

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

Draw two cards.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.