Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

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.)

Whenever a Swamp you control enters, choose one — • You draw a card and you lose 1 life. • This creature deals 2 damage to any target and you gain 2 life.

Whenever a creature an opponent controls dies, exile it with a hit counter on it. Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."

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.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

You draw two cards and you lose 2 life.

At the beginning of your upkeep, you draw a card and you lose 1 life.

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.)

Each opponent loses X life. You gain life equal to the life lost this way.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

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

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

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

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}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {B}.)

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

Whenever another creature dies, you may gain 1 life.

Enchant creature Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever a creature deals damage to you, destroy it.

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

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.

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}.

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}.

Add {B}{B}{B}.

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

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle. −3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control. −6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

Whenever you tap a Swamp for mana, add an additional {B}. {B}: This creature gets +1/+1 until end of turn.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast. Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {T}: Destroy target creature. It can't be regenerated.

When this creature enters, destroy target creature with power 4 or greater. It can't be regenerated. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

As an additional cost to cast this spell, discard a card or pay 3 life. Destroy target creature or planeswalker.

Destroy all creatures. They can't be regenerated.

{4}{B}{B}: Exile target creature and put a +1/+1 counter on this creature. This creature has all activated abilities of all creature cards exiled with it.

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

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

Destroy target nonartifact 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.

Destroy target creature or planeswalker.

Deathtouch

Destroy target creature. You lose 2 life.

Target creature deals damage to itself equal to its power.

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.

First strike When this creature enters, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

{T}: Destroy target tapped creature.

{T}, Exile an Assassin card from your graveyard: Destroy target creature.

Choose one — • Each opponent sacrifices a nontoken creature of their choice. • Each opponent sacrifices a creature token of their choice. • Each opponent sacrifices a planeswalker of their choice.

{T}: Put a bounty counter on target creature or planeswalker. Activate only as a sorcery. Whenever a creature or planeswalker an opponent controls with a bounty counter on it is dealt damage, destroy it.

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.

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.

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

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

If a creature an opponent controls would die, exile it instead. At the beginning of your upkeep, put all creature cards exiled with Gisa onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Destroy target creature.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.