Exile All Hallow's Eve with two scream counters on it.

At the beginning of your upkeep, if All Hallow's Eve is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.

Whenever Ashling, the Extinguisher deals combat damage to a player, choose target creature that player controls. The player sacrifices that creature.

Flying, haste

Whenever Blazing Specter deals combat damage to a player, that player discards a card.

When Body Snatcher enters the battlefield, exile it unless you discard a creature card.

When Body Snatcher dies, exile it and return target creature card from your graveyard to the battlefield.

At the beginning of your upkeep, sacrifice Breeding Pit unless you pay .

At the beginning of your end step, create a 0/1 black Thrull creature token.

Whenever you cast a blue spell, exile the top card of target player's library.

Whenever you cast a black spell, exile the top card of target player's library.

Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Other black creatures you control get +1/+1.

Other green creatures you control get +1/+1.

At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

: Return Deadhead from your graveyard to the battlefield. Activate only if an opponent isn't touching their hand (of cards).

Flying

At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

Flying

When Doomsday Specter enters the battlefield, return a blue or black creature you control to its owner's hand.

Whenever Doomsday Specter deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.

Whenever Dune-Brood Nephilim deals combat damage to a player, create a 1/1 colorless Sand creature token for each land you control.

Exile target nonblack creature. Search its controller's graveyard, hand, and library for all cards with the same name as that creature and exile them. Then that player shuffles.

When Grave Defiler enters the battlefield, reveal the top four cards of your library. Put all Zombie cards revealed this way into your hand and the rest on the bottom of your library in any order.

: Regenerate Grave Defiler.

At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies you control.

At the beginning of your upkeep, you lose 2 life.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

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

At the beginning of your upkeep, put a -1/-1 counter on each creature.

Haste

At the beginning of the end step, sacrifice Ichorid.

At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

Cumulative upkeep—Pay and 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

If a land is tapped for mana, it produces instead of any other type.

At the beginning of your upkeep, Juzám Djinn deals 1 damage to you.

Korlash, Heir to Blackblade's power and toughness are each equal to the number of Swamps you control.

: Regenerate Korlash.

Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.

Whenever a creature enters the battlefield, destroy it.

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

As Lich enters the battlefield, you lose life equal to your life total.

You don't lose the game for having 0 or less life.

If you would gain life, draw that many cards instead.

Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game.

When Lich is put into a graveyard from the battlefield, you lose the game.

When Lord of Tresserhorn enters the battlefield, you lose 2 life, you sacrifice two creatures, and target opponent draws two cards.

: Regenerate Lord of Tresserhorn.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Other creatures you control have dethrone.

Whenever a creature you control with a +1/+1 counter on it dies, return that card to the battlefield under your control at the beginning of the next end step.

Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Flying, first strike, haste

Whenever Mirri the Cursed deals combat damage to a creature, put a +1/+1 counter on Mirri the Cursed.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.

: Regenerate Mortivore.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Whenever a player casts a spell, counter it unless that player pays .

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Target player discards a card.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.

: Pestilence deals 1 damage to each creature and each player.

You can't cast this spell unless an opponent lost life this turn.

Flying, trample

Creature spells you cast cost less to cast for each 1 life your opponents have lost this turn.

, : Destroy target tapped nonblack creature.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature.

Whenever you sacrifice a green creature, you may gain 2 life.

Trample

When Siege Rhino enters the battlefield, each opponent loses 3 life and you gain 3 life.

This spell can't be countered.

Choose a nonland card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Soulless One's power and toughness are each equal to the number of Zombies on the battlefield plus the number of Zombie cards in all graveyards.

Destroy target land.

When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion.

Take an extra turn after this one.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

Choose a nonland card name. Target player reveals their hand. Thought Hemorrhage deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.

Prevent all damage that would be dealt to Uncle Istvan by creatures.

You may exile a black card from your hand rather than pay this spell's mana cost.

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

Exile target nonland permanent.

: Until end of turn, target creature has base power 1 or base toughness 1.

, : Destroy target white creature.