Dark Ritual

Instant

Mana Cost: {B}

Add {B}{B}{B}.

Masters 25

Price: $4.74

Cabal Ritual

Instant

Mana Cost: {1}{B}

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if there are seven or more cards in your graveyard.

Vintage Masters

Culling the Weak

Instant

Mana Cost: {B}

As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}.

Exodus

Price: $16.61

Warping Wail

Instant

Mana Cost: {1}{C}

({C} represents colorless mana.) Choose one — • Exile target creature with power or toughness 1 or less. • Counter target sorcery spell. • Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

Commander Masters

Price: $0.47

Kozilek's Command

Kindred Instant — Eldrazi

Mana Cost: {X}{C}{C}

Choose two — • Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add {C}." • Target player scries X, then draws a card. • Exile target creature with mana value X or less. • Exile up to X target cards from graveyards.

Modern Horizons 3

Price: $7.15

Bubbling Muck

Sorcery

Mana Cost: {B}

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Urza's Destiny

Price: $3.24

Eldrazi Confluence

Instant

Mana Cost: {2}{C}{C}

Choose three. You may choose the same mode more than once. • Target creature gets +3/-3 until end of turn. • Exile target nonland permanent, then return it to the battlefield tapped under its owner's control. • Create a 1/1 colorless Eldrazi Scion creature token with "Sacrifice this token: Add {C}."

Modern Horizons 3 Commander

Price: $8.02

Songs of the Damned

Instant

Mana Cost: {B}

Add {B} for each creature card in your graveyard.

Ultimate Masters

Price: $2.85

Rain of Filth

Instant

Mana Cost: {B}

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Urza's Saga

Price: $11.48

Dark Petition

Sorcery

Mana Cost: {3}{B}{B}

Search your library for a card, put that card into your hand, then shuffle. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.

Magic Origins

Price: $3.08

Skittering Invasion

Kindred Sorcery — Eldrazi

Mana Cost: {7}

Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Rise of the Eldrazi

Price: $0.36

Grave Birthing

Instant

Mana Cost: {2}{B}

Devoid (This card has no color.) Target opponent exiles a card from their graveyard. You create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}." Draw a card.

Battle for Zendikar

Price: $0.09

Spoils of Evil

Instant

Mana Cost: {2}{B}

For each artifact or creature card in target opponent's graveyard, add {C} and you gain 1 life.

Ice Age

Price: $5.62

Liturgy of Blood

Sorcery

Mana Cost: {3}{B}{B}

Destroy target creature. Add {B}{B}{B}.

Battlebond

Price: $0.10

Corpsehatch

Sorcery

Mana Cost: {3}{B}{B}

Destroy target nonblack creature. Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Duel Decks: Zendikar vs. Eldrazi

Price: $0.10

Essence Feed

Sorcery

Mana Cost: {5}{B}

Target player loses 3 life. You gain 3 life and create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Rise of the Eldrazi

Price: $0.11