Liliana's Caress

Whenever an opponent discards a card, that player loses 2 life.

Burning Inquiry

Each player draws three cards, then discards three cards at random.

Sign in Blood

Target player draws two cards and loses 2 life.

Dismember

({B/P} can be paid with either {B} or 2 life.)
Target creature gets -5/-5 until end of turn.

Dream Salvage

Draw cards equal to the number of cards target opponent discarded this turn.

Drown in Sorrow

All creatures get -2/-2 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Go for the Throat

Dark Deal

Each player discards all the cards in their hand, then draws that many cards minus one.

Languish

All creatures get -4/-4 until end of turn.

Waste Not

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card.

Fatal Push

Destroy target creature if it has mana value 2 or less.
Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.