Ambition's Cost

You draw three cards and you lose 3 life.

Visara the Dreadful

Flying
{T}: Destroy target creature. It can't be regenerated.

Sign in Blood

Target player draws two cards and loses 2 life.

Swamp

Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Gilded Lotus

Phyrexian Arena

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

Nantuko Shade

{B}: This creature gets +1/+1 until end of turn.

Exquisite Blood

Whenever an opponent loses life, you gain that much life.

Murder

Typhoid Rats

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Pestilence Demon

Flying
{B}: This creature deals 1 damage to each creature and each player.

Kalakscion, Hunger Tyrant

Morbid Plunder

Return up to two target creature cards from your graveyard to your hand.

Squelching Leeches

Squelching Leeches's power and toughness are each equal to the number of Swamps you control.

Dark Ritual

Thrashing Wumpus

{B}: This creature deals 1 damage to each creature and each player.

Damnation

Destroy all creatures. They can't be regenerated.

Cabal Coffers

{2}, {T}: Add {B} for each Swamp you control.

Sorin Markov

+2: Sorin Markov deals 2 damage to any target and you gain 2 life.
−3: Target opponent's life total becomes 10.
−7: You control target player during that player's next turn.

Bloodgift Demon

Flying
At the beginning of your upkeep, target player draws a card and loses 1 life.

Grasp of Darkness

Target creature gets -4/-4 until end of turn.

Blood Tithe

Each opponent loses 3 life. You gain life equal to the life lost this way.

Royal Assassin

Languish

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

Mark of the Vampire

Enchant creature
Enchanted creature gets +2/+2 and has lifelink.

Fell

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.