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

Whenever you gain life, each opponent loses 1 life.

When this creature dies, each opponent loses 2 life and you gain 2 life.

When this creature dies, it deals 1 damage to any target 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 you gain life, each opponent loses 1 life.

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life.

{1}{B}, Sacrifice another creature or enchantment: This creature gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it.) Whenever you sacrifice a permanent, target opponent loses 1 life and you gain 1 life.

Add {B}{B}{B}.

Enchant land When this Aura enters, you gain 3 life. Enchanted land has "{T}: Add two mana of any one color."

{1}, {T}: Add {B}{G}.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature dies, if it had no time counters on it, create a 6/1 green Insect creature token with shroud. (It can't be the target of spells or abilities.)

Whenever you sacrifice another permanent, put a +1/+1 counter on this creature.

Whenever a land an opponent controls enters, that player loses 1 life. Put a +1/+1 counter on this creature.

Whenever this creature attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if this creature isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

When this creature enters, you gain 2 life. When this creature leaves the battlefield, draw a card.

Morbid — At the beginning of each end step, if a creature died this turn, you may draw a card.

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

At the beginning of your end step, if a creature died this turn, draw a card.

Protection from white At the beginning of your end step, you lose 4 life. Whenever a creature dies, you gain 2 life.

Whenever another creature enters, you gain 1 life.

You gain 5 life. Ferocious — You gain 10 life instead if you control a creature with power 4 or greater.

At the beginning of your upkeep, this enchantment deals 1 damage to you. Whenever a creature is put into an opponent's graveyard from the battlefield, you gain life equal to its toughness.

{T}: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead.

As this enchantment enters, choose Island or Swamp. Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.) Whenever a nonbasic land an opponent controls enters, you gain 1 life.

Whenever you cast a black spell or a Swamp you control enters, you gain 1 life.

Whenever you cast a green spell or a Forest you control enters, you gain 1 life.

Whenever you're dealt damage, put that many charge counters on this artifact. At the beginning of each upkeep, you may remove a charge counter from this artifact. If you do, you gain 1 life.

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.) {T}, Pay 2 life: Remove a counter from target nonland permanent.

Put any number of target creature cards from your graveyard on top of your library. Draw a card at the beginning of the next turn's upkeep.

{1}, {T}: You gain 2 life. {2}, {T}, Exile this artifact: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

When Honest Rutstein enters, return target creature card from your graveyard to your hand. Creature spells you cast cost {1} less to cast.

When this creature dies, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

When this creature enters, each player sacrifices a nontoken creature of their choice.

Destroy target creature or planeswalker. You gain 1 life for each of its colors.

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

When you cast this spell, any player may pay 5 life. If a player does, counter Dash Hopes. Counter target spell.

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.

Destroy target artifact or enchantment with mana value X. It can't be regenerated. You gain X life.

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When this creature enters, target creature you control gains deathtouch and lifelink until end of turn.

Reach When this creature enters, you may sacrifice another creature. When you do, destroy target nonland permanent. When this creature dies, you may gain 1 life for each creature card in your graveyard. If you do, exile this creature from your graveyard.

Menace At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature. (You descended if a permanent card was put into your graveyard from anywhere.) {2}{B}, Sacrifice this creature: Target creature gets -X/-X until end of turn, where X is this creature's power.

Lifelink Delirium — At the beginning of your end step, if there are four or more card types among cards in your graveyard, each opponent may sacrifice a nonland permanent of their choice or discard a card. Then this creature deals damage equal to its power to each opponent who didn't sacrifice a permanent or discard a card this way.

({T}: Add {G}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{G}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

When this land enters, you gain 2 life. {T}: Add {C}.

Enchant creature you control When enchanted creature dies, target player loses X life and you gain X life, where X is its power.

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

{T}, Sacrifice another creature: Each opponent loses 2 life and you gain 2 life.