Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Hymn to Tourach

Target player discards two cards at random.

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

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.

Dark Ritual

Aeolipile

{1}, {T}, Sacrifice this artifact: It deals 2 damage to any target.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Drain Life

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Sinkhole

Swamp

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Artifact Possession

Enchant artifact
Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, this Aura deals 2 damage to that artifact's controller.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Bad Moon

Sol Ring

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Sorceress Queen

{T}: Target creature other than this creature has base power and toughness 0/2 until end of turn.

Order of the Ebon Hand

Protection from white
{B}: This creature gains first strike until end of turn.
{B}{B}: This creature gets +1/+0 until end of turn.

Greed

Mind Twist

Target player discards X cards at random.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)