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.

Toxic Deluge

As an additional cost to cast Toxic Deluge, pay X life. All creatures get -X/-X until end of turn.

Infernal Tutor

Reveal a card from your hand. Search your library for a card with the same name as that card, reveal it, put it into your hand, then shuffle your library. Hellbent — If you have no cards in hand, instead search your library for a card, put it into your hand, then shuffle your library.

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.

Shallow Grave

Put the top creature card from your graveyard into play as though it were just played. That creature is unaffected by summoning sickness. Remove the creature from the game at end of any turn.

Lion's Eye Diamond

Sacrifice Lion's Eye Diamond, Discard your hand: Add three mana of any one color to your mana pool. Play this ability as a mana source.

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.

Tendrils of Agony

Target player loses 2 life and you gain 2 life. Storm (When you play this spell, copy it for each spell played before it this turn. You may choose new targets for the copies.)

Corpse Dance

Buyback {2} (You may pay an additional {2} when you play this spell. If you do, put it into your hand instead of your graveyard as part of the spell's effect.) Put the top creature card from your graveyard into play. That creature is unaffected by summoning sickness this turn. Remove that creature from the game at the end of turn.

Lotus Petal

Sacrifice Lotus Petal: Add one mana of any color to your mana pool. Play this ability as a mana source.

Thoughtseize

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

Grim Monolith

Grim Monolith does not untap during your untap phase. {4}: Untap Grim Monolith. {T}: Add three colorless mana to your mana pool. Play this ability as a mana source.

Exhume

Each player chooses a creature card in his or her graveyard and puts that creature into play.

Dark Ritual

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

Collective Brutality

Swamp

({T}: Add {B}.)