Bog Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Evil Presence

Mystic Compass

{1}, {T}: Target land becomes the basic land type of your choice until end of turn.

Demonic Tutor

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

Jinx

Target land becomes the basic land type of your choice until end of turn.
Draw a card at the beginning of the next turn's upkeep.

Royal Assassin

Apprentice Wizard

Balduvian Horde

When Balduvian Horde enters the battlefield, sacrifice it unless you discard a card at random.

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Invisibility

Enchant creature
Enchanted creature can't be blocked except by Walls.

Dwarven Armory

{2}, Sacrifice a land: Put a +2/+2 counter on target creature. Activate only during any upkeep step.

Bottomless Vault

Bottomless Vault enters the battlefield tapped.
You may choose not to untap Bottomless Vault during your untap step.
At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from Bottomless Vault: Add {B} for each storage counter removed this way.

Magical Hack

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)

Dark Banishing

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

Crown of the Ages

{4}, {T}: Attach target Aura attached to a creature to another creature.

Swamp

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Illusionary Terrain

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
As Illusionary Terrain enters the battlefield, choose two basic land types.
Basic lands of the first chosen type are the second chosen type.

Anarchy

Dwarven Armorer

{R}, {T}, Discard a card: Put a +0/+1 counter or a +1/+0 counter on target creature.

Lost Soul

Clone

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Spoils of War

X is the number of artifact and/or creature cards in an opponent's graveyard as you cast this spell.
Distribute X +1/+1 counters among any number of target creatures.

Soul Burn

Spend only black and/or red mana on X.
Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of {B} spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Sand Silos

Sand Silos enters the battlefield tapped.
You may choose not to untap Sand Silos during your untap step.
At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from Sand Silos: Add {U} for each storage counter removed this way.

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Cyclopean Tomb

{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.

Demonic Torment

Enchant creature
Enchanted creature can't attack.
Prevent all combat damage that would be dealt by enchanted creature.

Breeding Pit

At the beginning of your upkeep, sacrifice Breeding Pit unless you pay {B}{B}.
At the beginning of your end step, create a 0/1 black Thrull creature token.

Demonic Hordes

{T}: Destroy target land.
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

Island

Terror

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

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Ashnod's Battle Gear

You may choose not to untap Ashnod's Battle Gear during your untap step.
{2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.

Diabolic Vision

Look at the top five cards of your library. Put one of them into your hand and the rest on top of your library in any order.

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Sol Ring

Feldon's Cane

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

Enchantment Alteration

Attach target Aura attached to a creature or land to another permanent of that type.

Armor Thrull

{T}, Sacrifice Armor Thrull: Put a +1/+2 counter on target creature.

Orcish Farmer

{T}: Target land becomes a Swamp until its controller's next untap step.

Counterspell

Ashes to Ashes

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Mahamoti Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Dwarven Ruins

Dwarven Ruins enters the battlefield tapped.
{T}: Add {R}.
{T}, Sacrifice Dwarven Ruins: Add {R}{R}.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Control Magic

Enchant creature
You control enchanted creature.

Sol'kanar the Swamp King

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
Whenever a player casts a black spell, you gain 1 life.

Fumarole

As an additional cost to cast this spell, pay 3 life.
Destroy target creature and target land.

Howl from Beyond

Target creature gets +X/+0 until end of turn.

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.