Disfigure

Target creature gets -2/-2 until end of turn.

Go for the Throat

Sign in Blood

Target player draws two cards and loses 2 life.

Bile Blight

Target creature and all other creatures with the same name as that creature get -3/-3 until end of turn.

Gatekeeper of Malakir

Kicker {B} (You may pay an additional {B} as you cast this spell.)
When Gatekeeper of Malakir enters the battlefield, if it was kicked, target player sacrifices a creature.

Phyrexian Arena

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

Vampire Nighthawk

Duress

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

Swamp

Geth's Verdict

Target player sacrifices a creature and loses 1 life.

Ultimate Price

Gurmag Angler

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