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

{2}, {T}, Sacrifice a creature: Draw a card. As long as you control a Cleric, this artifact has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

{T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) When this creature enters, if it entered from your graveyard or you cast it from your graveyard, exile it. If you do, create a 5/5 black Demon creature token with flying.

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

{3}{B}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

{B}, Sacrifice a Cleric: Target player loses 2 life and you gain 2 life.

{T}, Sacrifice three Clerics: Search your graveyard, hand, and/or library for a card named Scion of Darkness and put it onto the battlefield. If you search your library this way, shuffle.

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

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield.

Flying At the beginning of your end step, sacrifice a non-Demon creature. If you do, create a token that's a copy of this creature.

When this creature enters, put a lifelink counter on target non-Human creature you control. {1}{B}, {T}: Put a +1/+1 counter on each creature you control with lifelink.

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.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.

Whenever you gain life, each opponent loses 1 life.

{T}, Sacrifice another creature: Add {B}{B}{B}. Spend this mana only to cast Vampire, Cleric, and/or Demon spells.

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.) Lifelink Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, if it was kicked, return target creature card from your graveyard to the battlefield.

When this creature enters, add {B}{B}{B}.

When this creature enters, create a 5/5 black Demon creature token with flying. At the beginning of your upkeep, you lose 2 life.

Lifelink Blood Chalice — Whenever another creature you control dies, this creature deals 1 damage to any target.

Trample Whenever this creature deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control. Cycling {3} ({3}, Discard this card: Draw a card.)

Other Clerics you control get +1/+1. {3}{B}{B}, {T}, Sacrifice another Cleric: Search your library for a black creature card, put it onto the battlefield, then shuffle.

A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.) Choose a Background (You can have a Background as a second commander.)

Morbid — {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.

{T}, Sacrifice a black or artifact creature: Add an amount of {B} equal to the sacrificed creature's mana value.

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.

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

{T}, Sacrifice two creatures: Return target creature card from your graveyard to the battlefield.

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.

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

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

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

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

Spectacle {B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Draw a card for each creature that died under your control this turn.

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

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

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Destroy target nonblack creature.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards. Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Destroy target nonartifact creature.

Destroy target creature or planeswalker.

Destroy target creature. You lose 2 life.

Destroy target creature.

Destroy target non-Angel, non-Demon, non-Devil, non-Dragon creature.

Add {B} for each creature card in your graveyard.

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.

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

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

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

As an additional cost to cast this spell, sacrifice a creature. Destroy target creature.

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.

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

Destroy target creature.

Each player sacrifices a creature of their choice.