Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

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

Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.

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

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

{1}: Add {B}.

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

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Flying, trample {B}, Sacrifice another creature: Target player mills three cards. Pay 1 life: Add {C}. Spend this mana only to cast a spell from your graveyard.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

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.

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

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

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Haste {B}: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if three or more creature cards are above this card.

This creature can't block. Raid — {1}{B}: Return this card from your graveyard to the battlefield. Activate only if you attacked this turn.

This creature enters tapped. {2}{B}: Return this card from your graveyard to your hand.

This creature enters tapped. {1}{B}: Return this card from your graveyard to the battlefield. Activate only if a non-Skeleton creature died under your control this turn.

This creature enters tapped. {2}{B}: Return this card from your graveyard to the battlefield. Activate only as a sorcery and only if you have one or fewer cards in hand.

{4}{B}: Return this card from your graveyard to your hand.

This creature enters tapped. {1}{B}: Return this card from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.

When this creature enters, scry 1. {2}{B}: Return this card from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

Whenever an artifact you control enters, you may return this card from your graveyard to your hand.

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

This creature can't block. {4}{B}{B}: Return this card from your graveyard to the battlefield with a +1/+1 counter on it. This ability costs {4} less to activate if an opponent controls four or more nonbasic lands.

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

{3}{B}: Return this card from your graveyard to the battlefield tapped with two +1/+1 counters on it.

{2}{B}: Return this card from your graveyard to your hand.

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.

{T}, Sacrifice a creature: Put a charge counter on this artifact. {1}, Sacrifice this artifact: Draw a card for each charge counter on this artifact.

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

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

This artifact enters with a page counter on it. Whenever your commander enters or attacks, put a page counter on this artifact. {1}, {T}, Remove a page counter from this artifact: Draw a card.

Equipped creature gets +2/+0. Whenever equipped creature dies, draw a card. Equip {2} or {B}

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

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

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle this card, all creatures get -2/-2 until end of turn.

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

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

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

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

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

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

When Gollum leaves the battlefield, the Ring tempts you. {B}, Sacrifice a creature: Return this card from your graveyard to your hand. Activate only as a sorcery.

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

When this creature enters, create a 0/1 white Goat creature token. Sacrifice another creature: Scry 1. Escape—{3}{B}{B}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with two +1/+1 counters on it.