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

{B}, Sacrifice a creature: Destroy target nonblack creature.

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.)

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

Flying Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, destroy target nonartifact, nonblack creature.

Flash Whenever a creature you control dies, each opponent sacrifices a creature of their choice.

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

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

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Sacrifice this creature: Exile target card from a graveyard.

Exile target nonland permanent. Its controller draws a card.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Flying When this creature enters, you may return target creature card from your graveyard to your hand.

When this creature dies, return another target creature card from your graveyard to your hand.

This land enters tapped. {T}: Add {B}. {2}{B}, {T}, Sacrifice this land: Return target creature card from your graveyard to your hand.

Flying, trample Whenever an opponent searches their library, that player sacrifices a creature of their choice and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis.

This creature can't block. When this creature enters, you draw a card and you lose 1 life. {2}{B}{B}: Return this card from your graveyard to your hand.

When this creature dies, choose one. If you have exactly 13 life, you may choose both instead. • You draw a card and you lose 1 life. • Exile target opponent's graveyard. That player loses 1 life.

When this creature enters, you draw a card and you lose 1 life.

You may look at the top card of your library any time. You may cast spells from the top of your library by sacrificing a nonland permanent in addition to paying their other costs.

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

When this creature dies, you draw a card and you lose 1 life.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature: Draw a card.

Menace Whenever another creature you control with power 2 or less enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {B}.)

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Defender Sacrifice another creature: This creature gains deathtouch until end of turn.

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

{T}, Sacrifice this creature: Target creature gets -4/-4 until end of turn. Sacrifice a creature: Target creature gets -1/-1 until end of turn.

When this creature enters, each opponent discards a card.

When this creature enters, each opponent discards a card.

When this creature enters, each opponent discards a card.

When this creature enters, each opponent discards a card.

Sacrifice a creature: Add {C}{C}.

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.

Sacrifice this creature: Add {B}.

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

When this creature dies, scry 1 and create a Treasure token. (To scry 1, look at the top card of your library. You may put that card on the bottom. A Treasure token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

{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.)

Sacrifice a creature: Add one mana of any color.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this creature dies, choose one — • Target creature an opponent controls gets -1/-1 until end of turn. • Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") {1}{B}, Sacrifice another creature or a Treasure: Draw a card.

Flying When this creature enters, create two 1/1 black Goblin Rogue creature tokens. Sacrifice a Goblin: This creature has base power and toughness 3/3 until end of turn.

Deathtouch Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

When this enchantment enters, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

({T}: Add {B}.) This land enters tapped. {B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

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.

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

When this creature dies, each opponent loses 2 life.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies or is put into exile from the battlefield, return it to its owner's hand."

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

Enchant creature Enchanted creature gets +1/+1. Sacrifice a creature: Regenerate enchanted creature.

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

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

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

Search your library for a card, put that card into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.