Flying

Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.

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

Astral Cornucopia enters the battlefield with X charge counters on it.

{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life.

Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever a creature dies, put a charge counter on Black Market.

At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)

Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

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

Bottomless Vault enters the battlefield tapped.

You may choose not to untap Bottomless Vault during your untap step.

At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it.

{T}, Remove any number of storage counters from Bottomless Vault: Add {B} for each storage counter removed this way.

{T}: Add {C}.

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

Return target black creature card from your graveyard to your hand.

Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

Crypt of Agadeem enters the battlefield tapped.

{T}: Add {B}.

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

Destroy target nonblack creature.

Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever another creature dies, you may gain 1 life.

At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.

Protection from white

At the beginning of your end step, you lose 4 life.

Whenever a creature dies, you gain 2 life.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

Each opponent loses X life. You gain life equal to the life lost this way.

Whenever you cycle or discard a card, you may pay {1}. If you do, each opponent loses 2 life and you gain 2 life.

Flying

Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

As long as Filth is in your graveyard and you control a Swamp, creatures you control have swampwalk.

Whenever you pay life, put that many blood counters on Font of Agonies.

{1}{B}, Remove four blood counters from Font of Agonies: Destroy target creature.

Madness {X}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Create three tapped 2/2 black Zombie creature tokens and you gain 3 life. If this spell's madness cost was paid, instead create X of those tokens and you gain X life.

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

Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.

Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Grave Scrabbler enters the battlefield, if its madness cost was paid, you may return target creature card from a graveyard to its owner's 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.)

Gutterbones enters the battlefield tapped.

{1}{B}: Return Gutterbones from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.

Level up {1}{B} ({1}{B}: Put a level counter on this. Level up only as a sorcery.)

LEVEL 2-3

2/2

{B}, {T}: Target creature gets -2/-2 until end of turn.

LEVEL 4+

4/4

{B}, {T}: Target creature gets -4/-4 until end of turn.

Flying

When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

+1: Target player discards a card.

-2: Search your library for a card, then shuffle and put that card on top.

-8: Put all creature cards from all graveyards onto the battlefield under your control.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

-3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.

-6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

Lifelink

Whenever another nontoken creature you control dies, exile Liliana, Heretical Healer, then return her to the battlefield transformed under her owner's control. If you do, create a 2/2 black Zombie creature token.

+2: Each player discards a card.

-X: Return target nonlegendary creature card with mana value X from your graveyard to the battlefield.

-8: You get an emblem with "Whenever a creature dies, return it to the battlefield under your control at the beginning of the next end step."

Menace

When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a Human deals damage to you, destroy it.

Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying 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.)

Flash

When Muck Drubb enters the battlefield, change the target of target spell that targets only a single creature to Muck Drubb.

Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Night's Reach has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

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

Whenever you tap a Swamp for mana, add an additional {B}.

{B}: Nirkana Revenant gets +1/+1 until end of turn.

Orochi Hatchery enters the battlefield with X charge counters on it.

{5}, {T}: Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

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

Flying

Whenever a creature an opponent controls dies, you may gain 3 life.

Whenever an opponent discards a card, you may gain 3 life.

{2}{B}: Return Sanitarium Skeleton from your graveyard to your hand.

When Sengir Autocrat enters the battlefield, create three 0/1 black Serf creature tokens.

When Sengir Autocrat leaves the battlefield, exile all Serf tokens.

Whenever a creature dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{4}{B}: Each opponent loses 2 life and you gain 2 life. Activate only if there are four or more creature cards in your graveyard.

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Devoid (This card has no color.)

Flying

At the beginning of your upkeep, sacrifice a creature.

Whenever you sacrifice a creature, draw a card.

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

Deathtouch

{3}{B}{B}: Return up to three target creature cards from your graveyard to your hand.

{3}{B}{B}, Exile Soul of Innistrad from your graveyard: Return up to three target creature cards from your graveyard to your hand.

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.

Subterranean Hangar enters the battlefield tapped.

{T}: Put a storage counter on Subterranean Hangar.

{T}, Remove any number of storage counters from Subterranean Hangar: Add {B} for each storage counter removed this way.

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Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

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

+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.

-3: Destroy target permanent that's one or more colors.

{B}, {T}, Discard a card: Return target creature card from your graveyard to your hand.

Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.

Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

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

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.