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

Bestow {4}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Enchanted creature gets +1/+1 and has deathtouch.

Defender

{B}, Tap another untapped creature you control: Black Oak of Odunos gets +1/+1 until end of turn.

Flying

When Bloodhunter Bat enters the battlefield, target player loses 2 life and you gain 2 life.

{T}: Add {C}.

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

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.

Flying

When Carrion Imp enters the battlefield, you may exile target creature card from a graveyard. If you do, you gain 2 life.

Lifelink

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Exile target card from a graveyard.

Draw a card.

Enchant creature

Enchanted creature gets -1/-1 and can't block.

All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead.

Sacrifice Crypt Creeper: Exile target card from a graveyard.

Enchant creature

Enchanted creature gets -2/-2.

{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.

Exile up to three target cards from a single graveyard.

Whenever a player casts a black spell, you may gain 1 life.

When Disciple of Phenax enters the battlefield, target player reveals a number of cards from their hand equal to your devotion to black. You choose one of them. That player discards that card. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Destroy target nonblack creature.

When Drainpipe Vermin dies, you may pay {B}. If you do, target player discards a card.

Flying

{X}{B}{B}: Target creature gets -0/-X until end of turn and Drana, Kalastria Bloodchief gets +X/+0 until end of turn.

Flying

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

Enchant creature

You control enchanted creature.

At the beginning of your upkeep, enchanted creature deals 1 damage to its owner.

Enchant creature

Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Target creature gets -4/-4 until end of turn.

When Gravedigger enters the battlefield, 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.)

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

When Halo Hunter enters the battlefield, destroy target Angel.

Destroy target nonblack creature.

Exile all cards from target player's graveyard other than basic land cards. For each card exiled this way, search that player's library for all cards with the same name as that card and exile them. Then that player shuffles.

Creatures you control gain intimidate until end of turn. (Each of those creatures can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Highway Robber enters the battlefield, target opponent loses 2 life and you gain 2 life.

Lifelink

{2}, Sacrifice a creature: Put a +1/+1 counter on each Vampire you control.

Enchant creature

At the beginning of the end step of enchanted creature's controller, Insubordination deals 2 damage to that player unless that creature attacked this turn.

{1}, {T}: Put a charge counter on Kyren Toy.

{T}, Remove X charge counters from Kyren Toy: Add an amount of {C} equal to X plus one.

{T}: Add {C}.

{1}, {T}: Put a storage counter on Mage-Ring Network.

{T}, Remove any number of storage counters from Mage-Ring Network: Add {C} for each storage counter removed this way.

Return up to two target creature cards from your graveyard to your hand.

This spell costs {X} less to cast, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Destroy target land. You gain 4 life.

Return target creature card from your graveyard to your hand.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

When Mogis's Marauder enters the battlefield, up to X target creatures each gain intimidate and haste until end of turn, where X is your devotion to black. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it. Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Target creature gains deathtouch until end of turn. Regenerate it. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat. Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard.

When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

{T}: Put a charge counter on Ratchet Bomb.

{T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charge counters on Ratchet Bomb.

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

When Rotfeaster Maggot enters the battlefield, exile target creature card from a graveyard. You gain life equal to that card's toughness.

Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life.

Whenever you gain life, target opponent loses that much life.

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

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.

Inspired -- Whenever Servant of Tymaret becomes untapped, each opponent loses 1 life. You gain life equal to the life lost this way.

{2}{B}: Regenerate Servant of Tymaret.

Whenever another black creature enters the battlefield under your control, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Enchant creature

Enchanted creature gets +1/+1 and has "{B}: Regenerate this creature."

When Skinrender enters the battlefield, put three -1/-1 counters on target creature.

+2: Sorin Markov deals 2 damage to any target and you gain 2 life.

-3: Target opponent's life total becomes 10.

-7: You control target player during that player's next turn.

Bestow {3}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Whenever Spiteful Returned or enchanted creature attacks, defending player loses 2 life.

Enchanted creature gets +1/+1.

Enchant creature

Enchanted creature gets -2/-2.

At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

Whenever you cast a black spell or a Swamp enters the battlefield under your control, you gain 1 life.

({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 {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

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

When Tooth Collector enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.

Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, target creature that player controls gets -1/-1 until end of turn.

Tormented Soul can't block and can't be blocked.

{8}, {T}: Tower of Calamities deals 12 damage to target creature.

Target creature gets -1/-1 until end of turn.

Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

Target creature gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

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.)

Return up to two target creature cards from your graveyard to your hand.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.

Enchant creature

Enchanted creature gets -1/-1, and its activated abilities can't be activated.

Defender (This creature can't attack.)

Whenever you gain life, put a +1/+1 counter on Wall of Limbs.

{5}{B}{B}, Sacrifice Wall of Limbs: Target player loses X life, where X is Wall of Limbs's power.

Target creature gets -3/-1 until end of turn.