At the beginning of your end step, each opponent loses 1 life and you gain 1 life.

Whenever you gain life, each opponent loses 1 life.

Flying 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 you gain life, each opponent loses 1 life.

Flying Whenever you commit a crime, each opponent loses 1 life and you gain 1 life. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever you gain life, target opponent loses that much life.

Whenever this creature attacks, each opponent loses 1 life and you gain 1 life.

When this creature dies, it deals 2 damage to each opponent and you gain 2 life.

When this creature enters, exile up to two target cards from a single graveyard. If at least one creature card was exiled this way, each opponent loses 2 life and you gain 2 life.

Offspring {2}{B} (You may pay an additional {2}{B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying This creature can't block. Whenever you gain life, each opponent loses 1 life.

When this creature dies, each opponent loses 2 life.

When this creature enters, choose one — • Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." • You draw a card and you lose 1 life. • Exile target player's graveyard.

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

{T}: Add {C}. When this land is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

{T}: Add {C}. {3}, {T}, Sacrifice a land: Destroy target nonbasic land.

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.

Whenever another creature dies, you may gain 1 life.

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

At the beginning of your upkeep, this enchantment deals 1 damage to each opponent and you gain 1 life. {5}{B}, Sacrifice this enchantment: It deals 4 damage to target opponent and you gain 4 life.

Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

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

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.

Add {B}{B}{B}.

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik.

As this artifact enters, choose a color. Whenever a player casts a spell of the chosen color, you may gain 1 life. {T}: Add one mana of the chosen color.

Return X target creature cards from your graveyard to your hand.

Haste At the beginning of your upkeep, if this card is in your graveyard with three or more creature cards above it, you may put this card onto the battlefield.

{1}{B}: Return this card from your graveyard to the battlefield tapped.

Whenever this creature attacks, exile target creature card from your graveyard. When this creature dies, put all cards exiled with it onto the battlefield.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

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

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

Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Flying Whenever a source an opponent controls deals damage to this creature, that source's controller loses that much life unless they sacrifice that many permanents of their choice. Madness {3}{B}{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.)

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

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

You gain 2 life. Each creature gets -X/-X until end of turn, where X is the amount of life you gained this turn.

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

Target creature gets -1/-1 until end of turn. Create a 1/1 green Saproling creature token.

Destroy six target creatures.

Each player sacrifices a creature of their choice.

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

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.

When this artifact enters, exile target card from a graveyard. {T}, Sacrifice this artifact: Exile each opponent's graveyard. {1}, {T}, Sacrifice this artifact: Draw a card.

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Destroy target creature or planeswalker.

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

Attacking Pests you control get +1/+0 and have menace. Whenever a nontoken creature you control dies, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."

When this creature dies, create a 2/2 black Zombie creature token.

At the beginning of your end step, if you control no creatures with decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

When this creature dies, create X tapped 1/1 green Squirrel creature tokens, where X is this creature's power.

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

Spree (Choose one or more additional costs.) + {1} — Search your library for a card, put it into your graveyard, then shuffle. + {2} — Return up to two creature cards with total mana value 4 or less from your graveyard to the battlefield.