Chainer, Dementia Master

All Nightmares get +1/+1.
{B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Dark Betrayal

Enslaved Dwarf

{R}, Sacrifice Enslaved Dwarf: Target black creature gets +1/+0 and gains first strike until end of turn.

Book Burning

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

Mindslaver

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

Barbary Apes

Greed

Gwendlyn Di Corci

{T}: Target player discards a card at random. Activate only during your turn.

Child of Alara

Trample
When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Indentured Oaf

Prevent all damage that Indentured Oaf would deal to red creatures.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Angry Mob

Trample
During your turn, Angry Mob's power and toughness are each equal to 2 plus the number of Swamps your opponents control. During turns other than yours, Angry Mob's power and toughness are each 2.

Enchanted Being

Prevent all combat damage that would be dealt to Enchanted Being by enchanted creatures.

Invoke Prejudice

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.

Angelic Voices

Creatures you control get +1/+1 as long as you control no nonartifact, nonwhite creatures.

Pradesh Gypsies

{1}{G}, {T}: Target creature gets -2/-0 until end of turn.

Breeding Pool

({T}: Add {G} or {U}.)
As Breeding Pool enters, you may pay 2 life. If you don't, it enters tapped.

Altar of Dementia

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Piety

Blocking creatures get +0/+3 until end of turn.

Dwarven Song

One or more target creatures become red until end of turn.

Ali from Cairo

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Stone-Throwing Devils

Burn at the Stake

As an additional cost to cast this spell, tap any number of untapped creatures you control.
Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.

Persecute

Choose a color. Target player reveals their hand and discards all cards of that color.

Tivadar's Crusade

Devout Decree

Exile target creature or planeswalker that's black or red. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Triumph of Ferocity

At the beginning of your upkeep, draw a card if you control the creature with the greatest power or tied for the greatest power.

Confiscate

Enchant permanent
You control enchanted permanent.

Cleanse

Holy Light

Nonwhite creatures get -1/-1 until end of turn.

Dread Statuary

{T}: Add {C}.
{4}: Dread Statuary becomes a 4/2 Golem artifact creature until end of turn. It's still a land.

Pyrotechnics

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Field of Dreams

Players play with the top card of their libraries revealed.

Disruptive Student

{T}: Counter target spell unless its controller pays {1}.

Dementia Bat

Flying
{4}{B}, Sacrifice Dementia Bat: Target player discards two cards.

Raving Oni-Slave

When Raving Oni-Slave enters or leaves the battlefield, you lose 3 life if you don't control a Demon.

Earthbind

Enchant creature
When Earthbind enters, if enchanted creature has flying, Earthbind deals 2 damage to that creature and Earthbind gains "Enchanted creature loses flying."

Enslaved Scout

{2}: Enslaved Scout gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

Eye for an Eye

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Parallax Dementia

Enchant creature
Fading 1 (This enchantment enters with one fade counter on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)
Enchanted creature gets +3/+2.
When Parallax Dementia leaves the battlefield, destroy enchanted creature. That creature can't be regenerated.

Dementia Sliver

All Slivers have "{T}: Choose a card name. Target opponent reveals a card at random from their hand. If that card has the chosen name, that player discards it. Activate only during your turn."

Enslaved Horror

When Enslaved Horror enters, each other player may return a creature card from their graveyard to the battlefield.

Reign of Terror

Destroy all green creatures or all white creatures. They can't be regenerated. You lose 2 life for each creature that died this way.

Craw Giant

Trample
Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Enslave

Enchant creature
You control enchanted creature.
At the beginning of your upkeep, enchanted creature deals 1 damage to its owner.

Honor of the Pure

Jihad

As Jihad enters, choose a color and an opponent.
White creatures get +2/+1 as long as the chosen player controls a nontoken permanent of the chosen color.
When the chosen player controls no nontoken permanents of the chosen color, sacrifice Jihad.

Fascist Art Director

{W}{W}: Fascist Art Director gains protection from the artist of your choice until end of turn.

Flash

You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by {2}.

Surging Dementia

Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)
Target player discards a card.

Celestial Purge

Aggravated Assault

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Reparations

Whenever an opponent casts a spell that targets you or a creature you control, you may draw a card.

Imprison

Enchant creature
Whenever a player activates an ability of enchanted creature with {T} in its activation cost that isn't a mana ability, you may pay {1}. If you do, counter that ability. If you don't, destroy Imprison.
Whenever enchanted creature attacks or blocks, you may pay {1}. If you do, tap the creature, remove it from combat, and creatures it was blocking that had become blocked by only that creature this combat become unblocked. If you don't, destroy Imprison.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Delay

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Mark of Fury

Enchant creature
Enchanted creature has haste.
At the beginning of the end step, return Mark of Fury to its owner's hand.