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."

This land enters tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

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

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

Indestructible {T}: Add {C}.

This land enters tapped. Indestructible {T}: Add {B} or {R}.

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

This land enters tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

{T}: Add {R}.

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

({T}: Add {R}.)

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.

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

This land enters tapped. {T}: Add {B} or {R}.

({T}: Add {B} or {R}.) This land enters tapped.

({T}: Add {B}.)

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

This land enters tapped. {T}: Add {B} or {R}. {2}{B}{R}, {T}, Sacrifice this land: Draw a card.

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

When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {3}{B}, {T}, Sacrifice this artifact: Return up to two target creature cards from your graveyard to your hand.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

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

When this artifact enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When this artifact enters or is put into a graveyard from the battlefield, create a 1/1 colorless Construct artifact creature token.

Whenever one or more artifacts you control leave the battlefield during your turn, create a 1/1 colorless Construct artifact creature token. This ability triggers only once each turn. {T}, Sacrifice an artifact: This artifact deals 1 damage to each opponent. You gain 1 life.

When this artifact enters or is put into a graveyard from the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

{T}: Add {C}. {T}: Add {B} or {R}. This artifact deals 1 damage to you.

As an additional cost to cast this spell, sacrifice a nonland permanent. Each opponent chooses a permanent they control that shares a card type with the sacrificed permanent and sacrifices it. Draw a card.

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

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

Target player loses 2 life and you gain 2 life. Create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

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

Whenever you sacrifice another creature, put a +1/+1 counter on this creature. {B}{R}, Sacrifice another creature: This creature gains menace until end of turn. (It can't be blocked except by two or more creatures.)

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Skeletons, Vampires, and Zombies you control get +1/+1. At the beginning of your end step, if a creature died this turn, you may pay {1}. If you do, create a 1/1 black Skeleton creature token.

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

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

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

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna deals 1 damage to each opponent.

When this creature enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") Whenever you sacrifice a Blood token, you gain 1 life.

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

{T}: Add {R}.

Whenever you sacrifice a permanent, put a +1/+1 counter on Juri. When Juri dies, it deals damage equal to its power to any target.

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.

{T}: Add {B}.

Zombies you control get +1/+0. At the beginning of your end step, if a creature died this turn, you may pay {1}{B}. If you do, create a 2/2 black Zombie creature token.

Haste Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever a player sacrifices a permanent, this creature deals 1 damage to any target.

Echo {1}{R} (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 or dies, create a 1/1 red Goblin creature token.

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

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

When this creature dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

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

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

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

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

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.

At the beginning of combat on your turn, you may pay {1} and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.

When this creature enters, create a number of 1/1 green Squirrel creature tokens equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

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, it deals 1 damage to each opponent. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

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

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.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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 creature. You lose 2 life.

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way. You draw a card and you lose 1 life.

As an additional cost to cast this spell, sacrifice an artifact or creature. You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Destroy target creature. It can't be regenerated.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")