Sign in Blood

Target player draws two cards and loses 2 life.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Dauthi Slayer

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Slayer attacks each combat if able.

Dauthi Horror

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Horror can't be blocked by white creatures.

Phyrexian Arena

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

Dauthi Marauder

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

Sinister Strength

Enchant creature
Enchanted creature gets +3/+1 and is black.

Dauthi Warlord

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Warlord's power is equal to the number of creatures on the battlefield with shadow.

Bonesplitter

Dark Ritual

Swamp

Village Rites

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Undying Evil

Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Bad Moon

Dauthi Ghoul

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever a creature with shadow dies, put a +1/+1 counter on Dauthi Ghoul.