Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)

When this creature dies, you may put a -1/-1 counter on target creature.

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Wither (This deals damage to creatures in the form of -1/-1 counters.) When this creature dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

When Soul Snuffers enters, put a -1/-1 counter on each creature.

Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equipped creature gets +1/+0 and has "Whenever this creature deals combat damage, create a Blood token." (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

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}

Whenever one or more Vampires you control attack, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {B}, {T}, Pay 1 life: Create a 1/1 white and black Vampire creature token with lifelink. {B}{B}, {T}, Sacrifice this artifact and thirteen Blood tokens: Each opponent loses 13 life and you gain 13 life.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

When this creature enters, you may put a -1/-1 counter on target creature. {B}, Sacrifice this creature: Destroy target creature that has a -1/-1 counter on it.

Flying, haste Whenever this creature attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens. {B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

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

{1}{B}, Sacrifice this creature: You draw two cards and you lose 2 life.

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever this creature deals combat damage to a player, that player discards that many cards.

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.")

Flying Spear of the Void Dragon — Whenever this creature attacks, each opponent sacrifices a nonland permanent of their choice. Matter Absorption — Whenever an artifact is put into a graveyard from the battlefield or is put into exile from the battlefield, put two +1/+1 counters on this creature.

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.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever this creature deals damage to a player, that player can't gain life for the rest of the game.

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 token: Add one mana of any color.")

Partner with Laurine, the Diversion (When this creature enters, target player may put Laurine into their hand from their library, then shuffle.) Lifelink Whenever a creature an opponent controls dies, you gain 1 life and create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

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."

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.")

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 Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

({T}: Add {B} or {R}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

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

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {1}, Remove X storage counters from this land: Add X mana in any combination of {B} and/or {R}.

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

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

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

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

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

({T}: Add {R}.)

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

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

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

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.

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

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

You draw two cards and you lose 2 life.

You draw two cards, lose 2 life, then create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.) Creatures your opponents control can't have +1/+1 counters put on them.

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.

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

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.