Cadaver Imp

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

Phyrexian Rager

When this creature enters, you draw a card and you lose 1 life.

Audacious Thief

Whenever this creature attacks, you draw a card and you lose 1 life.

Swamp

Sign in Blood

Target player draws two cards and loses 2 life.

Blood Pet

Awoken Demon

Ecstatic Awakener

{2}{B}, Sacrifice another creature: Draw a card, then transform this creature. Activate only once each turn.

Ecstatic Awakener // Awoken Demon

Tragic Slip

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Dark Ritual

Bone Picker

This spell costs {3} less to cast if a creature died this turn.
Flying, deathtouch

Shambling Ghast

When this creature dies, choose one —
• Target creature an opponent controls gets -1/-1 until end of turn.
• Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Cast Down

Tendrils of Despair

As an additional cost to cast this spell, sacrifice a creature.
Target opponent discards two cards.