Cinder Shade

{B}: Cinder Shade gets +1/+1 until end of turn.
{R}, Sacrifice Cinder Shade: It deals damage equal to its power to target creature.

Mountain

Duress

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

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Dragon Mask

{3}, {T}: Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)

Millikin

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

Dragon Engine

{2}: Dragon Engine gets +1/+0 until end of turn.

Dread of Night

Lightning Dart

Lightning Dart deals 1 damage to target creature. If that creature is white or blue, Lightning Dart deals 4 damage to it instead.

Cabal Ritual

Add {B}{B}{B}.
Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Backlash

Tap target untapped creature. That creature deals damage equal to its power to its controller.

Unhinge

Target player discards a card.
Draw a card.

Cabal Torturer

{B}, {T}: Target creature gets -1/-1 until end of turn.
Threshold — {3}{B}{B}, {T}: Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

Skeletal Scrying

As an additional cost to cast this spell, exile X cards from your graveyard.
You draw X cards and you lose X life.

Nantuko Shade

{B}: Nantuko Shade gets +1/+1 until end of turn.

Mutilate

All creatures get -1/-1 until end of turn for each Swamp you control.

Urborg Volcano

Urborg Volcano enters the battlefield tapped.
{T}: Add {B} or {R}.

Insidious Dreams

As an additional cost to cast this spell, discard X cards.
Search your library for X cards, then shuffle and put those cards on top in any order.

Blazing Specter

Flying, haste
Whenever Blazing Specter deals combat damage to a player, that player discards a card.

Lightning Rift

Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to any target.

Leshrac's Rite

Enchant creature
Enchanted creature has swampwalk. (It can't be blocked as long as defending player controls a Swamp.)

Bloodstone Cameo

Swamp

Shadowblood Ridge

Mind Burst

Target player discards X cards, where X is one plus the number of cards named Mind Burst in all graveyards.

Crypt Rats

{X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

Grand Coliseum

Grand Coliseum enters the battlefield tapped.
{T}: Add {C}.
{T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.

Tainted Peak

{T}: Add {C}.
{T}: Add {B} or {R}. Activate only if you control a Swamp.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

Spawning Pool

Spawning Pool enters the battlefield tapped.
{T}: Add {B}.
{1}{B}: Spawning Pool becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Pyromania

{1}{R}, Discard a card at random: Pyromania deals 1 damage to any target.
{1}{R}, Sacrifice Pyromania: It deals 1 damage to any target.

Greed

Chainer's Edict

Target player sacrifices a creature.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)