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

When Gray Merchant of Asphodel enters the battlefield, 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.)

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

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.

Whenever a creature you control dies, draw a card. +1: Create a 2/2 black Zombie creature token. −4: Each player sacrifices two creatures. −9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

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

Whenever a creature you control dies, you gain 1 life and draw a card.

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

{1}, Sacrifice Cankerbloom: Choose one — • Destroy target artifact. • Destroy target enchantment. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

When Haywire Mite dies, you gain 2 life. {G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

Permanents you control gain hexproof and indestructible until end of turn.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

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

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

({T}: Add {G}.)

Golgari Rot Farm enters the battlefield tapped. When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{G}.

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

({T}: Add {B}.)

Each land is a Swamp in addition to its other land types.

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

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

Flying {T}: Add one mana of any color.

Add {B}{B}{B}.

{T}: Add {G}.

When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

{T}: Add {G}.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your end step, if a creature died under your control this turn, the Ring tempts you. Whenever the Ring tempts you, target opponent reveals cards from the top of their library until they reveal a land card. Put that card onto the battlefield tapped under your control and the rest into their graveyard.

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

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

When Viridian Emissary dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Enchant creature card in a graveyard When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.

You may play lands from your graveyard. {T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.

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

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

Sacrifice a creature: Add one mana of any color.

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

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Shadow (This creature can block or be blocked by only creatures with shadow.) If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

({G/P} can be paid with either {G} or 2 life.) {1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

Search your library for a card, put that card into your graveyard, then shuffle.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Fiend Artisan gets +1/+1 for each creature card in your graveyard. {X}{B/G}, {T}, Sacrifice another creature: Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Activate only as a sorcery.

When Protean Hulk dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle.

Flying, trample Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.