Massacre Wurm

When this creature enters, creatures your opponents control get -2/-2 until end of turn.
Whenever a creature an opponent controls dies, that player loses 2 life.

Scuttlemutt

{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.

Slithery Stalker

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
When this creature enters, exile target green or white creature an opponent controls.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Sol Ring

Doom Blade

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Soot Imp

Flying
Whenever a player casts a nonblack spell, that player loses 1 life.

Soul Rend

Destroy target creature if it's white. A creature destroyed this way can't be regenerated.
Draw a card at the beginning of the next turn's upkeep.

Deathmark

Bereavement

Whenever a green creature dies, its controller discards a card.

Mirage Mirror

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Abomination

Whenever this creature blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Glistening Deluge

All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn.

Marauding Knight

Protection from white
This creature gets +1/+1 for each Plains your opponents control.

Cower in Fear

Creatures your opponents control get -1/-1 until end of turn.

Dystopia

Cumulative upkeep—Pay 1 life. (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.)
At the beginning of each player's upkeep, that player sacrifices a green or white permanent of their choice.

Curse of Wizardry

As this enchantment enters, choose a color.
Whenever a player casts a spell of the chosen color, that player loses 1 life.

Noxious Grasp

Destroy target creature or planeswalker that's green or white. You gain 1 life.

Irini Sengir

Green enchantment spells and white enchantment spells cost {2} more to cast.

Deathgrip

Putrefaction

Whenever a player casts a green or white spell, that player discards a card.

Self-Inflicted Wound

Target opponent sacrifices a green or white creature of their choice. If that player does, they lose 2 life.

Nature's Ruin

Nemesis Trap

If a white creature is attacking, you may pay {B}{B} rather than pay this spell's mana cost.
Exile target attacking creature. Create a token that's a copy of that creature. Exile it at the beginning of the next end step.

Dread of Night

Slay

Destroy target green creature. It can't be regenerated.
Draw a card.

Eastern Paladin

{B}{B}, {T}: Destroy target green creature.

Contamination

At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a creature.
If a land is tapped for mana, it produces {B} instead of any other type and amount.

Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Cabal Coffers

{2}, {T}: Add {B} for each Swamp you control.

Western Paladin

{B}{B}, {T}: Destroy target white creature.

Jet Medallion

Black spells you cast cost {1} less to cast.

Ascendant Evincar

Flying (This creature can't be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

Dunerider Outlaw

Protection from green
At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.

Throne of Bone

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

Execute

Destroy target white creature. It can't be regenerated.
Draw a card.

Charcoal Diamond

This artifact enters tapped.
{T}: Add {B}.

Leshrac's Sigil

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card.
{B}{B}: Return this enchantment to its owner's hand.

Terror

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

Blightbeetle

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)
Creatures your opponents control can't have +1/+1 counters put on them.

Lifebane Zombie

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
When this creature enters, target opponent reveals their hand. You choose a green or white creature card from it and exile that card.

Tourach, Dread Cantor

Kicker {B}{B} (You may pay an additional {B}{B} as you cast this spell.)
Protection from white
Whenever an opponent discards a card, put a +1/+1 counter on Tourach.
When Tourach enters, if it was kicked, target opponent discards two cards at random.

Perish

Destroy all green creatures. They can't be regenerated.

Massacre Girl, Known Killer

Menace
Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)
Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

Gloomlance

Destroy target creature. If that creature was green or white, its controller discards a card.

Gray Merchant of Asphodel

When this creature enters, 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.)

Talara's Bane

Target opponent reveals their hand. You choose a green or white creature card from it. You gain life equal to that creature card's toughness, then that player discards that card.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Yawgmoth's Edict

Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life.

Stromgald Crusader

Protection from white
{B}: This creature gains flying until end of turn.
{B}{B}: This creature gets +1/+0 until end of turn.

Phyrexian Slayer

Flying
Whenever this creature becomes blocked by a white creature, destroy that creature. It can't be regenerated.

Massacre Girl

Menace
When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Slaughter Specialist

When this creature enters, each opponent creates a 1/1 white Human creature token.
Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature.

Swamp

Painter's Servant

As this creature enters, choose a color.
All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

Crypt Angel

Flying, protection from white
When this creature enters, return target blue or red creature card from your graveyard to your hand.

Kaervek's Hex

Kaervek's Hex deals 1 damage to each nonblack creature and an additional 1 damage to each green creature.

Kaervek, the Spiteful

Virtue's Ruin

Distorting Lens

{T}: Target permanent becomes the color of your choice until end of turn.

Hecatomb

When this enchantment enters, sacrifice this enchantment unless you sacrifice four creatures.
Tap an untapped Swamp you control: This enchantment deals 1 damage to any target.

Tourach's Chant

At the beginning of your upkeep, sacrifice this enchantment unless you pay {B}.
Whenever a player puts a Forest onto the battlefield, this enchantment deals 3 damage to that player unless they put a -1/-1 counter on a creature they control.

Sculpting Steel

You may have this artifact enter as a copy of any artifact on the battlefield.

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Grotesque Hybrid

Whenever this creature deals combat damage to a creature, destroy that creature. It can't be regenerated.
Discard a card: This creature gains flying and protection from green and from white until end of turn.

Withering Torment

Destroy target creature or enchantment. You lose 2 life.

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.