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."

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

Whenever Blood Artist or another creature dies, target player loses 1 life and 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.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

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

Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

Choose up to two target permanent cards in your graveyard that were put there from the battlefield this turn. Return them to the battlefield tapped.

{T}: Add {C}.

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

Carrion Feeder can't block.

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

Vigilance

{T}, Sacrifice Cliffside Rescuer: Target permanent you control gains protection from each of your opponents until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.)

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

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

{2}{B}, Sacrifice Corpse Hauler: Return another target creature card from your graveyard to your hand.

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

Corrupted Grafstone enters the battlefield tapped.

{T}: Choose a color of a card in your graveyard. Add one mana of that color.

{T}: Add {B}.

Whenever a creature you control dies, put a corpse counter on Crowded Crypt.

{4}{B}{B}, {T}, Sacrifice Crowded Crypt: Create a 2/2 black Zombie creature token with decayed for each corpse counter on Crowded Crypt. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Whenever Cruel Celebrant or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

As you create your deck, circle two of the colors below.

Cryptic Spires enters the battlefield tapped.

{T}: Add one mana of either of the circled colors.

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 artifact: Add one mana of any color.")

Exile target permanent with mana value 4 or greater.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Sacrifice a creature: Regenerate Dimir House Guard.

Transmute {1}{B}{B} ({1}{B}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Deathtouch

Whenever another creature enters the battlefield under your control, you gain 1 life.

Whenever another creature you control dies, each opponent loses 1 life.

Lifelink

Whenever another creature dies, put a +1/+1 counter on Elenda, the Dusk Rose.

When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power.

{T}: Add one mana of any color that a land an opponent controls could produce.

Whenever an opponent loses life, you gain that much life.

Flying

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

Sacrifice a creature: Regenerate target creature.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}.

{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

Transfigure {1}{B}{B} ({1}{B}{B}, Sacrifice this creature: Search your library for a creature card with the same mana value as this creature, put that card onto the battlefield, then shuffle. Transfigure only as a sorcery.)

Enchant creature

Enchanted creature has deathtouch and indestructible.

Morph--Sacrifice another creature. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

As Gift of Doom is turned face up, you may attach it to a creature.

When Golgari Thug dies, put target creature card from your graveyard on top of your library.

Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever another nontoken creature you control dies, draw a card.

{T}: Add {C}.

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

Return each creature card with mana value X from your graveyard to the battlefield.

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.

{T}: Add {W} or {B}.

Sacrifice Kami of False Hope: Prevent all combat damage that would be dealt this turn.

Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.

When Merciless Executioner enters the battlefield, each player sacrifices a creature.

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

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

Kicker {3}{B}

Menace, lifelink

When Nullpriest of Oblivion enters the battlefield, if it was kicked, return target creature card from your graveyard to the battlefield.

White creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{B}.

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

Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}, Pay 3 life, Sacrifice Priest of Fell Rites: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Unearth {3}{W}{B} ({3}{W}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{2}, {T}, Sacrifice a creature: Draw a card.

As long as you control a Cleric, Relic Vial has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

As an additional cost to cast this spell, sacrifice a nonland permanent.

Exile target nonland permanent.

Flashback {2}{W}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Whenever you gain life, target opponent loses that much life.

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

{T}: Add {W} or {B}.

Flying

Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

As Shineshadow Snarl enters the battlefield, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters the battlefield tapped.

{T}: Add {W} or {B}.

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

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

Whenever you cast a black spell or a Swamp enters the battlefield under your control, you gain 1 life.

Equipped creature gets +3/+3.

Whenever equipped creature attacks, it doesn't untap during its controller's next untap step.

Whenever Stitcher's Graft becomes unattached from a permanent, sacrifice that permanent.

Equip {2}

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

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Exile target creature. Its controller gains life equal to its power.

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, the Grim 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.)

{T}: Add {C}.

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

{T}: Add {B}.

Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

{T}: Add {C}.

{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

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

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

{T}, Sacrifice another creature: Each opponent loses 2 life and you gain 2 life.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Sacrifice Vigilant Martyr: Regenerate target creature.

{W}{W}, {T}, Sacrifice Vigilant Martyr: Counter target spell that targets an enchantment.

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

{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.

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

Create X 2/2 white Cat creature tokens. Shuffle White Sun's Zenith into its owner's library.

When Woe Strider enters the battlefield, 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.)

Woe Strider escapes with two +1/+1 counters on it.

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.

Sacrifice another creature: Yahenni gains indestructible until end of turn.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.