Murder

Arisen Gorgon

Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker. (Any amount of damage this deals to a creature is enough to destroy it.)

Skymarch Bloodletter

Flying
When Skymarch Bloodletter enters, target opponent loses 1 life and you gain 1 life.

Liliana's Spoils

Target opponent discards a card.
Look at the top five cards of your library. You may reveal a black card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Reassembling Skeleton

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Swamp

Tattered Mummy

When Tattered Mummy dies, each opponent loses 2 life.

Sovereign's Bite

Target player loses 3 life and you gain 3 life.

Diregraf Ghoul

Demon of Catastrophes

As an additional cost to cast this spell, sacrifice a creature.
Flying, trample

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

Walking Corpse

Skeleton Archer

When this creature enters, it deals 1 damage to any target.

Blood Divination

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

Vampire Sovereign

Flying
When Vampire Sovereign enters, target opponent loses 3 life and you gain 3 life.

Liliana, the Necromancer

+1: Target player loses 2 life.
−1: Return target creature card from your graveyard to your hand.
−7: Destroy up to two target creatures. Put up to two creature cards from graveyards onto the battlefield under your control.

Lich's Caress

Destroy target creature. You gain 3 life.

Abnormal Endurance

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Strangling Spores

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

Gravewaker

Flying (This creature can't be blocked except by creatures with flying or reach.)
{5}{B}{B}: Return target creature card from your graveyard to the battlefield tapped.