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

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

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

Equipped creature has flying and lifelink. Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards. Equip {3}

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

Sacrifice a creature: Add one mana of any color.

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

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.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature. {T}, Remove a counter from a creature you control: Create a Treasure token. {T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying. {3}{B}: Untap Fain, the Broker.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

Gravecrawler can't block. You may cast Gravecrawler from your graveyard as long as you control a Zombie.

Whenever one or more +1/+1 counters are put on Herd Baloth, you may create a 4/4 green Beast creature token.

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard. {1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power. Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed.

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Menace When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Flying Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

Trample Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

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

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.

Whenever you cast a creature spell, put a +1/+1 counter on Quirion Beastcaller. When Quirion Beastcaller dies, distribute X +1/+1 counters among any number of target creatures you control, where X is the number of +1/+1 counters on Quirion Beastcaller.

Whenever you sacrifice an artifact or creature, put a +1/+1 counter on Ravenous Squirrel. {1}{B}{G}, Sacrifice an artifact or creature: You gain 1 life and draw a card.

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

{1}{B}, {T}, Sacrifice another creature: Draw X cards, where X is that creature's power. Choose a Background (You can have a Background as a second commander.)

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.

Flying Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on Vulturous Zombie.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead. If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

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.

Deathcap Glade enters the battlefield tapped unless you control two or more other lands. {T}: Add {B} or {G}.

({T}: Add {B} or {G}.) Haunted Mire enters the battlefield tapped.

As Necroblossom Snarl enters the battlefield, you may reveal a Swamp or Forest card from your hand. If you don't, Necroblossom Snarl enters the battlefield tapped. {T}: Add {B} or {G}.

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Flash Whenever a creature you control dies, each opponent sacrifices a creature.

Whenever a creature you don't control dies, return it to the battlefield under your control with an additional +1/+1 counter on it at the beginning of the next end step. That creature is a black Zombie in addition to its other colors and types.

Whenever a creature you control dies, each other player sacrifices a creature.

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

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

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

As an additional cost to cast this spell, sacrifice a 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 artifact: Add one mana of any color.")

Choose one — • All creatures get -1/-1 until end of turn. • Destroy target enchantment. • Regenerate each creature you control.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Destroy target artifact or creature. It can't be regenerated.

As an additional cost to cast this spell, sacrifice a creature. Create X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life," where X is the sacrificed creature's power.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {B}.)

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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

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.

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

{T}: Add {C}{C}. Activate only if you control five or more lands.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle. −3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control. −6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

+1: Create a 0/1 green Plant creature token. −2: Put a +1/+1 counter on each creature you control. −7: You gain X life and draw X cards, where X is the number of lands you control.

Destroy all creatures. They can't be regenerated.

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

For each creature, its controller sacrifices it unless they pay X life.

Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.

As an additional cost to cast this spell, sacrifice a creature. Draw cards equal to the sacrificed creature's power.

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.) Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

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

Put all creature cards from all graveyards onto the battlefield under your control.

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.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead. {B}, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

Menace When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards. When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

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.

Each player sacrifices six creatures. You create six tapped 2/2 black Zombie creature tokens.

{2}{B}: Return Persistent Specimen from your graveyard to the battlefield tapped.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

Choose target creature. When that creature dies this turn, search your library for a creature card with lesser mana value, put it onto the battlefield tapped, then shuffle.