Lake of the Dead

When Lake of the Dead comes into play, sacrifice a swamp or bury Lake of the dead. {T}: Add {B} to your mana pool. {T}: Sacrifice a swamp to add {B}{B}{B}{B} to your mana pool.

Helm of Obedience

{X}, {T}: Put the top card of target opponent's library into his or her graveyard. Continue doing this until you have put X cards or a creature card into that graveyard, whichever occurs first. If the last card put into the graveyard is a creature card, bury Helm of Obedience and put that creature into play under your control as though it were just cast. X cannot be equal to 0.

Grave Titan

Deathtouch Whenever Grave Titan enters the battlefield or attacks, put two 2/2 black Zombie creature tokens onto the battlefield.

Unmask

You may remove a black card in your hand from the game instead of paying Unmask's mana cost. Look at target player's hand and choose a nonland card from it. That player discards that card.

Massacre

If an opponent controls a plains and you control a swamp, you may play Massacre without paying its mana cost. All creatures get -2/-2 until end of turn.

Elesh Norn, Grand Cenobite

Vigilance Other creatures you control get +2/+2. Creatures your opponents control get -2/-2.

Surgical Extraction

({B/P} can be paid with either {B} or 2 life.) Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles his or her library.

Entomb

Search your library for a card and put that card into your graveyard. Then shuffle your library.

Griselbrand

Flying, lifelink Pay 7 life: Draw seven cards.

Reanimate

Put target creature card from any graveyard into play under your control. Lose life equal to that creature's total casting cost.

Dread of Night

All white creatures get -1/-1.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Ashen Rider

Flying When Ashen Rider enters the battlefield or dies, exile target permanent.

Thoughtseize

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Smallpox

Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land.

Animate Dead

Any creature in either player's graveyard comes into play on your side with -1 to its original power. If this enchantment is removed, or at end of game, target creature is returned to its owner's graveyard. Target creature may be killed as normal.

Dark Ritual

Add {B}{B}{B} to your mana pool.

Iona, Shield of Emeria

Flying As Iona, Shield of Emeria enters the battlefield, choose a color. Your opponents can't cast spells of the chosen color.

Collective Brutality

Duress

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

Leyline of the Void

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's graveyard from anywhere, exile it instead.