This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

This land enters tapped. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped.

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {U}.)

({T}: Add {B}.)

This land enters tapped. {T}: Add {B}. {1}{B}: This land becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

This land enters tapped. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {B}.

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

Living weapon (When this Equipment enters, 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}

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

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 this artifact enters, choose a creature type. Creatures you control of the chosen type get +2/+2.

{1}, {T}, Sacrifice a creature: This artifact deals 2 damage to any target.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

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

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

As an additional cost to cast this spell, sacrifice a creature or discard a card. Destroy target creature or planeswalker.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Draw a card.

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

Search your library for a card, put that card into your hand, then shuffle.

Choose a creature type. Draw a card for each permanent you control of that type.

Choose a creature type. Return up to two creature cards of that type from your graveyard to the battlefield. If this spell was foretold, return all creature cards of that type from your graveyard to the battlefield instead. Foretell {5}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Target player draws two cards and loses 2 life.

({U/P} can be paid with either {U} or 2 life.) Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

Flying {3}{B}{B}, Exile seven other cards from your graveyard: Return this card from your graveyard to the battlefield tapped.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield. {5}{B}{B}: Put this card from your graveyard on top of your library.

Wither (This deals damage to creatures in the form of -1/-1 counters.) {1}{B}: Regenerate this creature.

This creature can't block. When this creature enters, you draw a card and you lose 1 life. {2}{B}{B}: Return this card from your graveyard to your hand.

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch. (Any amount of damage they deal to a creature is enough to destroy it.)

Menace Negative Energy Cone — Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token. {5}{B}: Return this card from your graveyard to the battlefield tapped.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Sacrifice a creature: Regenerate this creature. Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {3}{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

This creature enters tapped. {1}{B}: Return this card from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.

Flying {B}: Regenerate this creature. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When this creature enters, sacrifice a creature. {B}: Regenerate this creature.

{B}: Regenerate this creature. Megamorph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

When this creature dies, return it to its owner's hand.

Other black creatures you control get +1/+1. {2}{B}, {T}: Another target black creature you control gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

{1}{B}: Return this card from your graveyard to the battlefield tapped.

{B}: Regenerate this creature.

{S}: Regenerate this creature. ({S} can be paid with one mana from a snow source.)

Flying When this creature enters, create two 1/1 black Bat creature tokens with flying. {3}{B}{B}, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying. Sacrifice a Bat: Regenerate this creature.

{B}: Regenerate this creature.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {B}: Skithiryx gains haste until end of turn. {B}{B}: Regenerate Skithiryx.

When this creature dies, you may pay {1}{B}. If you do, return it to the battlefield tapped under its owner's control.

Whenever this creature attacks, exile target creature card from your graveyard. When this creature dies, put all cards exiled with it onto the battlefield.

{B}: Regenerate this creature.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."

Whenever a creature dies, tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Add {B}{B}{B}.

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.

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.)

As an additional cost to cast this spell, exile X cards from your graveyard. You draw X cards and you lose X life.

Cast this spell only during combat. Untap target creature you don't control and gain control of it. It gains haste until end of turn. At the beginning of the next end step, sacrifice it. If you do, you gain life equal to its toughness.