Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Geralf's Messenger

Geralf's Messenger enters the battlefield tapped. When Geralf's Messenger enters the battlefield, target opponent loses 2 life. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Gravecrawler

Gravecrawler can't block. You may cast Gravecrawler from your graveyard as long as you control a Zombie.

Kolaghan's Command

Choose two — • Return target creature card from your graveyard to your hand. • Target player discards a card. • Destroy target artifact. • Kolaghan's Command deals 2 damage to target creature or player.

Liliana of the Veil

+1: Each player discards a card. -2: Target player sacrifices a creature. -6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of his or her choice.

Grave Titan

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

Phyrexian Obliterator

Trample Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Damnation

Mutavault

{T}: Add {1} to your mana pool. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Darkblast

Target creature gets -1/-1 until end of turn. Dredge 3 (If you would draw a card, instead you may put exactly 3 cards from the top of your library into your graveyard. If you do, return this card from your graveyard to your hand. Otherwise, draw a card.)

Shadow of Doubt

({U/B} can be paid with either {U} or {B}.) Players can't search libraries this turn. Draw a card.

Pack Rat

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Put a token onto the battlefield that's a copy of Pack Rat.

Inquisition of Kozilek

Target player reveals his or her hand. You choose a nonland card from it with converted mana cost 3 or less. That player discards that card.

Blackcleave Cliffs

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {R} to your mana pool.

Nihil Spellbomb

{T}, Sacrifice Nihil Spellbomb: Exile all cards from target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Ratchet Bomb

{T}: Put a charge counter on Ratchet Bomb. {T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Ratchet Bomb.

Terminate

Destroy target creature. It can't be regenerated.

Blood Moon

All non-basic lands are now basic mountains.

Erebos, God of the Dead

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card.

Thoughtseize

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

Lightning Bolt

Lightning Bolt does 3 damage to one target.

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.

Vampire Nighthawk

Flying Deathtouch (Creatures dealt damage by this creature are destroyed. You can divide this creature's combat damage among any of the creatures blocking or blocked by it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Bloodstained Mire

Ghost Quarter

Kalitas, Traitor of Ghet

Relentless Dead

Blood Crypt

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Gray Merchant of Asphodel

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Swamp

({T}: Add {B}.)