Soltari Monk

Protection from black
Shadow (This creature can block or be blocked by only creatures with shadow.)

Dark Ritual

Duskrider Falcon

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Paladin en-Vec

First strike, protection from black and from red (This creature deals combat damage before creatures without first strike. It can't be blocked, targeted, dealt damage, or enchanted by anything black or red.)

Melesse Spirit

Mortify

Wall of Light

Defender (This creature can't attack.)
Protection from black

Death Speakers

Death Pits of Rath

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Scoured Barrens

Scoured Barrens enters tapped.
When Scoured Barrens enters, you gain 1 life.
{T}: Add {W} or {B}.

Darkest Hour

Cemetery Gate

Crusading Knight

Protection from black
Crusading Knight gets +1/+1 for each Swamp your opponents control.

Blood Baron of Vizkopa

Lifelink, protection from white and from black
As long as you have 30 or more life and an opponent has 10 or less life, Blood Baron of Vizkopa gets +6/+6 and has flying.

Plains

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.