Add {B}{B}{B}.

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

Target creature gets -11/-11 until end of turn.

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Target creature gets -5/-5 until end of turn. Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

This spell can't be countered. (This includes by the ward ability.) Target creature gets -X/-X until end of turn.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

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

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

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

Equipped creature has first strike, trample, and haste. Equip {1}

When this artifact enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Living weapon Indestructible Equipped creature gets +5/+5 and has first strike, trample, indestructible, haste, and "Whenever this creature deals combat damage to a creature, exile that creature." Equip {7}

Equipped creature gets +2/+0 and has first strike. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Target creature gets +1/+1 and gains flying, first strike, and trample until end of turn.

{T}: Add one mana of any color. {T}: Add three mana of any one color. Activate only if you control three or more lands with the same name.

{T}: Add {C}{C}.

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste. Equip {3}

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

{T}: Add one mana of any color. Whenever you tap this land for mana, target opponent creates a 1/1 colorless Spirit creature token.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Put a -1/-1 counter on target creature. Activate only as a sorcery.

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

({T}: Add {B}.)

Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card: Draw a card.)

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.

When this creature enters, you may put a -1/-1 counter on target creature. {B}, Sacrifice this creature: Destroy target creature that has a -1/-1 counter on it.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

Trample, haste When this creature enters, target opponent creates three 0/1 white Goat creature tokens. At the beginning of combat on your turn, any opponent may sacrifice a creature of their choice. If a player does, tap this creature, you gain 3 life, and you draw a card.

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

Flying, first strike Whenever Drana deals combat damage to a player, put a +1/+1 counter on each attacking creature you control.

When this creature dies, you may put a -1/-1 counter on target creature.

Sacrifice this creature: Put a -1/-1 counter on target creature.

This creature enters with three -1/-1 counters on it. Remove a -1/-1 counter from this creature: Put a -1/-1 counter on another target creature.

Level up {1}{B} ({1}{B}: Put a level counter on this. Level up only as a sorcery.) LEVEL 2-3 2/2 {B}, {T}: Target creature gets -2/-2 until end of turn. LEVEL 4+ 4/4 {B}, {T}: Target creature gets -4/-4 until end of turn.

At the beginning of your upkeep, put a -1/-1 counter on each creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.) When this creature dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

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.

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.

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life.

When this creature enters, put three -1/-1 counters on target creature.

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.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

Enchant player Creatures enchanted player controls get -1/-1.

Enchant creature Enchanted creature has infect. At the beginning of your upkeep, put a -1/-1 counter on enchanted creature. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Creature tokens get -1/-1.

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Target player draws two cards and loses 2 life.

Put target creature card from a graveyard onto the battlefield under your control. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)