Flying

Whenever Abyssal Specter deals damage to a player, that player discards 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.

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Black creatures get +1/+1.

First strike (This creature deals combat damage before creatures without first strike.)

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

When Body Snatcher enters the battlefield, exile it unless you discard a creature card.

When Body Snatcher dies, exile Body Snatcher and return target creature card from your graveyard to the battlefield.

Whenever Bone Dancer attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, Bone Dancer assigns no combat damage this turn.

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 the battlefield, destroy target nonartifact, nonblack creature.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

{1}{B}{B}: Regenerate Cadaverous Knight.

Flying

Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down.

When Cathodion dies, add {C}{C}{C}.

You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost.

Distribute two -2/-1 counters among one or two target creatures.

{X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

Add {B}{B}{B}.

{T}: Destroy target land.

At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

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

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

At the beginning of your end step, if Erg Raiders didn't attack this turn, Erg Raiders deals 2 damage to you unless it came under your control this turn.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Fallen Askari can't block.

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

When Hecatomb enters the battlefield, sacrifice Hecatomb unless you sacrifice four creatures.

Tap an untapped Swamp you control: Hecatomb deals 1 damage to any target.

Target player discards two cards at random.

Flying

Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Protection from white

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Juggernaut attacks each combat if able.

Juggernaut can't be blocked by Walls.

Protection from white

{B}: Knight of Stromgald gains first strike until end of turn.

{B}{B}: Knight of Stromgald gets +1/+0 until end of turn.

First strike

{1}{B}: Regenerate Lim-Dûl's High Guard.

Defender (This creature can't attack.)

{1}: Regenerate Living Wall.

{B}: Looming Shade gets +1/+1 until end of turn.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

Target player discards X cards at random.

Whenever Mindstab Thrull attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.

Protection from black

At the beginning of your upkeep, Minion of Leshrac deals 5 damage to you unless you sacrifice a creature other than Minion of Leshrac. If Minion of Leshrac deals damage to you this way, tap it.

{T}: Destroy target creature or land.

Exile the top creature card of your graveyard: Necratog gets +2/+2 until end of turn.

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.

First strike

When Nekrataal enters the battlefield, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Whenever a player casts a spell, counter it unless that player pays {3}.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Nightmare's power and toughness are each equal to the number of Swamps you control.

Whenever a creature deals damage to you, destroy it.

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

Whenever Order of Yawgmoth deals damage to a player, that player discards a card.

Protection from white

{B}: Order of the Ebon Hand gains first strike until end of turn.

{B}{B}: Order of the Ebon Hand gets +1/+0 until end of turn.

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

Sacrifice a creature: Target creature gets -1/-1 until end of turn.

When Phyrexian War Beast leaves the battlefield, sacrifice a land and Phyrexian War Beast deals 1 damage to you.

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

When Ravenous Rats enters the battlefield, target opponent discards a card.

{T}: Destroy target tapped creature.

First strike

{1}{B}: Regenerate Sanguine Guard.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Flying

When Skulking Ghost becomes the target of a spell or ability, sacrifice it.

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

First strike

Target opponent discards a card at random, then discards a card.

({T}: Add {B}.)

({T}: Add {B}.)

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({T}: Add {B}.)

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Flying (This creature can't be blocked except by creatures with flying or reach.)

{B}: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Until end of turn, you may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Sacrifice a land: You gain 2 life.