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."

({T}: Add {B} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

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

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

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

{T}: Add {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {B} or {R}.

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {R}.

({T}: Add {R}.)

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

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

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

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

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +4/+4 and has vigilance and lifelink. {3}: Return this Equipment to its owner's hand. Equip {5}

{2}, {T}: All creatures get -1/-0 until end of turn.

Indestructible (Effects that say "destroy" don't destroy this Equipment.) Equipped creature gets +1/+1 and has "Whenever this creature attacks, create a Treasure token." (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equip {2}

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

When this artifact enters or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

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}, Sacrifice a creature: This artifact deals 2 damage to any target.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{T}: Add {C}{C}.

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

As an additional cost to cast this spell, sacrifice a creature. Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

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

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

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

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

Defender When this creature enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

This creature has first strike as long as it's attacking. When this creature dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

When this creature enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {T}, Sacrifice this creature: Target creature gets -X/-X until end of turn, where X is twice the number of Blood tokens you control. Activate only as a sorcery.

Flying, first strike At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3/1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.

{2}{B}{B}: Exile this card and target creature unless that creature's controller pays {2}. Activate only if this card is in your graveyard.

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.

Menace Negative Energy Cone — Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token. {5}{B}: Return this card from your graveyard to the battlefield tapped.

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.

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

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

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.")

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.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) If an ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time.

Menace When this creature enters, target opponent creates two 1/1 white Dog creature tokens. When this creature dies, each opponent loses 3 life. Disguise {1}{B}

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

{T}: Target player exiles a card from their graveyard. Whenever you cast a black spell, you may untap this creature.

Deathtouch When this creature enters, mill two cards and you gain 2 life. (To mill a card, put the top card of your library into your graveyard.)

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

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.")

Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

When this creature enters, target creature you control gets +2/+0 and gains indestructible until end of turn. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

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

{3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) {1}{B}: Regenerate this creature.

Flying When this creature enters, create two 1/1 black Bat creature tokens with flying. {3}{B}{B}, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying. Sacrifice a Bat: Regenerate this creature.

Each other creature you control that's a Skeleton or Pirate gets +1/+1. Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.) {5}{B}: Return this card from your graveyard to the battlefield tapped.

Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature. Creatures your opponents control with -1/-1 counters on them can't block.

Whenever an attacking creature you control dies, this enchantment deals 2 damage to each opponent. Raid — At the beginning of each of your postcombat main phases, if you attacked this turn, exile the top card of your library. Until end of combat on your next turn, you may play that card.

When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.) To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.) Solved — {1}{B}, Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Skeletons you control get +1/+0 and have haste. When this enchantment enters, create a 2/2 black Skeleton Pirate creature token. At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return this enchantment to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

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.")

Put any number of target creature cards from your graveyard on top of your library. Draw a card at the beginning of the next turn's upkeep.

Skeletonize deals 3 damage to target creature. When a creature dealt damage this way dies this turn, create a 1/1 black Skeleton creature token with "{B}: Regenerate this token."

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.