Typhoid Rats

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

Resourceful Return

Return target creature card from your graveyard to your hand. If you control an artifact, draw a card.

Bloodmist Infiltrator

Whenever Bloodmist Infiltrator attacks, you may sacrifice another creature. If you do, Bloodmist Infiltrator can't be blocked this turn.

Fortuitous Find

Choose one or both —
• Return target artifact card from your graveyard to your hand.
• Return target creature card from your graveyard to your hand.

Caustic Tar

Enchant land
Enchanted land has "{T}: Target player loses 3 life."

Leyline of the Void

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.
If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Prowler's Helm

Equipped creature can't be blocked except by Walls.
Equip {2}

Go for the Throat

Sol Ring

Mark of the Vampire

Enchant creature
Enchanted creature gets +2/+2 and has lifelink.

Sorcerer of the Fang

{5}{B}, {T}: Sorcerer of the Fang deals 2 damage to target opponent or planeswalker.

Ring of Xathrid

{2}: Regenerate equipped creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Doomed Dissenter

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

Sign in Blood

Target player draws two cards and loses 2 life.

Hand of Silumgar

Scourgemark

Enchant creature
When Scourgemark enters, draw a card.
Enchanted creature gets +1/+0.

Phyrexian Rager

When Phyrexian Rager enters, you draw a card and you lose 1 life.

Blood Burglar

During your turn, Blood Burglar has lifelink.(Damage dealt by this creature also causes you to gain that much life.)

Mogis's Marauder

When Mogis's Marauder enters, 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.)

Wandering Tombshell

Thrull Parasite

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.)
{T}, Pay 2 life: Remove a counter from target nonland permanent.

Curse of Wizardry

As Curse of Wizardry enters, choose a color.
Whenever a player casts a spell of the chosen color, that player loses 1 life.

Urgoros, the Empty One

Flying
Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

Swamp

Khenra Eternal

Afflict 1 (Whenever this creature becomes blocked, defending player loses 1 life.)

Child of Night

Trespasser's Curse

Enchant player
Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.

Wight of Precinct Six

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Null Champion

Level up {3} ({3}: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
4/2
LEVEL 4+
7/3
{B}: Regenerate Null Champion.