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.

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

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.)

Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

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.

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

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

Add {B}{B}{B}.

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

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.

If a land is tapped for mana, it produces {B} instead of any other type and amount.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

Destroy all creatures. They can't be regenerated.

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}.

Add {B}{B}{B}.

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

{T}: Add {C}.

{1}, {T}: Untap target land.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Exile target creature or planeswalker.

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.)

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Each player sacrifices a creature.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

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

({B/P} can be paid with either {B} or 2 life.)

Lifelink

For each {B} in a cost, you may pay 2 life rather than pay that mana.

Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Whenever a creature enters the battlefield, destroy it.

{0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

All creatures get -1/-1 until end of turn for each Swamp you control.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Whenever a creature deals damage to you, destroy it.

Sacrifice a creature: Add one mana of any color.

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

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Kicker {7} (You may pay an additional {7} as you cast this spell.)

Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Target player draws two cards and loses 2 life.

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

Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

As an additional cost to cast this spell, pay 3 life.

Counter target creature spell.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Sacrifice Xiahou Dun, the One-Eyed: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.

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