Spells your opponents cast that target Accursed Witch cost {1} less to cast.

When Accursed Witch dies, return it to the battlefield transformed under your control attached to target opponent.

Enchant player

Spells you cast that target enchanted player cost {1} less to cast.

At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life.

You may spend mana as though it were mana of any color to activate abilities of creatures you control.

Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.

{T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

At the beginning of your precombat main phase, add {B} for each charge counter on Altar of Shadows.

{7}, {T}: Destroy target creature. Then put a charge counter on Altar of Shadows.

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

Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own.

At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.

When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

{T}, Sacrifice up to three permanents: If there were three or more card types among the sacrificed permanents, each opponent loses 3 life, you gain 3 life, and you draw three cards.

Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Deathtouch

When Bitterheart Witch dies, you may search your library for a Curse card, put it onto the battlefield attached to target player, then shuffle.

{T}: Add one mana of any color.

{4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card.

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.

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

When Chittering Witch enters, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have.

{1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

Enchant player

Whenever a nontoken creature enchanted player controls dies, exile it and you create a 1/2 green Spider creature token with reach.

Enchant player

Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control.

Enchant player

Whenever enchanted player draws a card, they lose 2 life and you gain 2 life.

Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant player

Whenever a creature attacks enchanted player, put a +1/+1 counter on it.

Enchant player

At the beginning of enchanted player's upkeep, any number of target players other than that player each draw cards equal to the number of Curses attached to that player.

Enchant player

At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.

Enchant player

At the beginning of enchanted player's upkeep, that player mills two cards.

At the beginning of your upkeep, sacrifice a creature.

When you sacrifice Daemogoth Woe-Eater, each opponent discards a card, you draw a card, and you gain 2 life.

Destroy all creatures. They can't be regenerated.

When Deadbridge Chant enters the battlefield, mill ten cards.

At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

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.

{T}: Add X mana of any one color, where X is the number of creature cards in your graveyard.

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

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

When Diminisher Witch enters the battlefield, if it was bargained, create a Cursed Role token attached to target creature an opponent controls. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

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.

Put any number of target creature cards from your graveyard on top of your library.

Draw a card.

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

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, put two eyeball counters on Jar of Eyeballs.

{3}, {T}, Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.

Menace

Whenever you sacrifice a creature, you may pay {U/B}. If you do, draw a card. ({U/B} can be paid with either {U} or {B}.)

{1}, Sacrifice a creature: Kels, Fight Fixer gains indestructible until end of turn.

Delirium -- {2}{B}: Transform Kindly Stranger. Activate only if there are four or more card types among cards in your graveyard.

When this creature transforms into Demon-Possessed Witch, you may destroy target creature.

Whenever another creature you control dies, you get an experience counter.

At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Exile all opponents' graveyards. You may cast spells from among those cards this turn, and you may spend mana as though it were mana of any type to cast those spells. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards.

Exile Mnemonic Betrayal.

During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.)

{T}: Search your library for a card, put it into your graveyard, then shuffle. If it's an instant or sorcery card, put a +1/+1 counter on Oriq Loremage.

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less.

{T}, Discard a card: Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

{1}, {T}: Each opponent mills cards equal to the amount of life you gained this turn.

{4}, {T}: Exile four target cards from a single graveyard. Draw a card.

Return up to two target creature, land, and/or planeswalker cards from your graveyard to your hand. Each player gains 4 life. Exile Restorative Burst.

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

Bewitching Whispers -- When Shessra, Death's Whisper enters the battlefield, target creature blocks this turn if able.

Whispers of the Grave -- At the beginning of your end step, if a creature died this turn, you may pay 2 life. If you do, draw a card.

{T}: Add {B} or {G}.

{T}: Mill two cards.

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

{T}: Add {C}.

{T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

{T}: Add {B} or {G}. Talisman of Resilience deals 1 damage to you.

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

Whenever you cast a spell you don't own, create a 3/3 black Demon creature token.

+1: Draw a card. For each opponent, exile up to one target instant or sorcery card from that player's graveyard and put a page counter on it.

-3: You may cast a spell from among cards in exile with page counters on them without paying its mana cost.

Tasha, the Witch Queen can be your commander.

This spell costs {2} less to cast for each creature card in your graveyard.

Whenever a creature you control dies, put it on the bottom of its owner's library.

{2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

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

All creatures get -X/-X until end of turn.

When Twisted Sewer-Witch enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that Rat. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

Wishclaw Talisman enters with three wish counters on it.

{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.

{1}{B}, {T}, Sacrifice a creature: You gain 1 life and draw a card.

{T}, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Creatures of the creature type of your choice get -3/-3 until end of turn.

When Witching Well enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

{3}{U}, Sacrifice Witching Well: Draw two cards.