Flying

When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

At the beginning of your upkeep, sacrifice a creature.

Each player sacrifices all permanents they control that are one or more colors.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

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.

Flying

At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.)

Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

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

At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

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

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

As Caged Sun enters the battlefield, choose a color.

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

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Flying

Carnifex Demon enters the battlefield with two -1/-1 counters on it.

{B}, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature.

You may play lands from your graveyard.

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}.

Destroy all creatures. They can't be regenerated.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.

Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.)

When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost.

Flying, trample

Flying

Lieutenant -- As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature."

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

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.

{T}: Add {C}.

{1}, {T}: Untap target land.

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

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

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

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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

Imprint -- When Extraplanar Lens enters the battlefield, you may exile target land you control.

Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

As Gauntlet of Power enters the battlefield, choose a color.

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

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Destroy target nonartifact creature.

Whenever a creature you control dies, each other player sacrifices a creature.

Deathtouch

Whenever another nontoken creature dies, you may draw a card.

Destroy target creature or planeswalker.

{T}: Add {C}.

{T}: Each player gains control of all creatures they own.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

Flying

Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

+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}.'"

+1: Create a 2/2 black Zombie creature token. Mill two cards.

-3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.

-7: Destroy all non-Zombie creatures.

Flying

Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.

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

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Flying

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever Nefarox, Overlord of Grixis attacks alone, defending player sacrifices a creature.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

+1: You draw a card and you lose 1 life.

-3: Destroy target creature.

-8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

Flying, trample

Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.

Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Landfall -- Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

Flying

{B}: Pestilence Demon deals 1 damage to each creature and each player.

At the beginning of your upkeep, you draw a card and you lose 1 life.

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Flying

Morbid -- At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

Flying

When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

You have no maximum hand size.

{T}: Add {C}.

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

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Flying

When Shadowborn Demon enters the battlefield, destroy target non-Demon creature.

At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.

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

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

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

({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}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

As an additional cost to cast this spell, pay X life.

All creatures get -X/-X until end of turn.

Each land is a Swamp in addition to its other land types.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.