Flying

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

You draw two cards and each opponent discards two cards. Each player loses 2 life.

Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- You may sacrifice a creature. If you do, each opponent discards a card.

II -- Return target creature card from your graveyard to your hand.

III -- Target opponent may sacrifice a nonland, nontoken permanent. If they don't, they lose 2 life and you draw a card.

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.

When Burglar Rat enters the battlefield, each opponent discards a card.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Add {B}{B}{B}.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Each player discards three cards.

Each player mills X cards. For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token.

When Elderfang Disciple enters the battlefield, each opponent discards a card.

Flying

Whenever Eye Collector deals combat damage to a player, each player mills a card.

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control. Round up each time.

{T}: Each player mills a card.

Destroy target nonartifact creature.

{B}, Pay 2 life: Draw a card.

{1}, {T}, Pay 1 life, Discard a card: Draw a card, mill a card, then put a ritual counter on Heirloom Mirror. Then if it has three or more ritual counters on it, remove them and transform it. Activate only as a sorcery.

Flying

{2}{B}: Exile target creature card from a graveyard. Put a +1/+1 counter on Inherited Fiend.

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

Flying

When Liliana's Specter enters the battlefield, each opponent discards a card.

Target player discards two cards.

Overload {1}{B} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

When Mindslicer dies, each player discards their hand.

When Nezumi Informant enters the battlefield, each opponent discards a card.

You draw two cards and you lose 2 life.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Order of Yawgmoth deals damage to a player, that player discards a card.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

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

Scry 2, then draw two cards. You lose 2 life.

{2}, {T}: Target opponent mills three cards. Put a land card from their graveyard onto the battlefield tapped under your control. It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else."

{10}, {T}, Sacrifice Realmbreaker, the Invasion Tree: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle.

Join forces -- Starting with you, each player may pay any amount of mana. Each player mills X cards, where X is the total amount of mana paid this way.

Menace

When Sheoldred enters the battlefield, each opponent sacrifices a nontoken creature or planeswalker.

{4}{B}: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard.

(As this Saga enters and after your draw step, add a lore counter.)

I -- For each opponent, destroy up to one target creature or planeswalker that player controls.

II -- Each opponent discards three cards, then mills three cards.

III -- Put all creature cards from all graveyards onto the battlefield under your control. Exile The True Scriptures, then return it to the battlefield (front face up).

Target player draws two cards and loses 2 life.

Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Stronghold Rats deals combat damage to a player, each player discards a card.

({T}: Add {B}.)

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Each other player discards a card. You draw a card for each card discarded this way.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.

{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Menace (This creature can't be blocked except by two or more creatures.)

Tenured Oilcaster gets +3/+0 as long as an opponent has eight or more cards in their graveyard.

Whenever Tenured Oilcaster attacks or blocks, each player mills a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Each opponent sacrifices a creature or planeswalker.

II -- Each opponent discards a card.

III -- Put target creature or planeswalker card from a graveyard onto the battlefield under your control.

(As this Saga enters and after your draw step, add a lore counter.)

I, II -- Each opponent sacrifices a creature unless they discard a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever Animus of Night's Reach attacks, it gets +X/+0 until end of turn, where X is the number of creature cards in defending player's graveyard.

At the beginning of each end step, if a player discarded a card this turn, create a 1/1 black Bird creature token with flying and "This creature can't block."

{3}{B}, {T}: Each opponent discards a card. Activate only as a sorcery.

Each opponent discards two cards.

Each player mills three cards. Then you return up to two creature cards from your graveyard to your hand. (To mill three cards, a player puts the top three cards of their library into their graveyard.)

Flying

Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

When Virus Beetle enters the battlefield, each opponent discards a card.

{3}: Each player mills two cards.