Murder

Unholy Hunger

Destroy target creature.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you gain 2 life.

Death Wind

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

Caustic Tar

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

Reave Soul

Destroy target creature with power 3 or less.

Swamp

Read the Bones

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Dead Drop

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Target player sacrifices two creatures of their choice.

Kothophed, Soul Hoarder

Flying
Whenever a permanent owned by another player is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

Sign in Blood

Target player draws two cards and loses 2 life.

Distress

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Rise from the Grave

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.