All creatures get -5/-0.

Whenever chaos ensues, you may destroy target creature if its power is 0 or less.

: Add .
, : Exile the bottom card of target opponent's library.
Whenever one or more cards an opponent owns are put into exile, put a release counter on The Heron Moon. Then if it has thirteen or more release counters on it, sacrifice it and create a copy of Emrakul, the Promised End. Cast it without paying its mana cost.

Flying, lifelink
Whenever The Haunt of Hightower attacks, defending player discards a card.
Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.

: Draw a card, then discard a card.

Defender
, Sacrifice another nontoken creature: Return that card to the battlefield under its owner's control at the beginning of the next end step.

: Surveil 1.
: Until end of turn, each creature card in your graveyard gains "Escape — , Exile four other cards from your graveyard."

Menace, trample, lifelink, hexproof
Whenever The Grim Captain attacks, each opponent sacrifices a nonland permanent of their choice. Then you may put an exiled creature card used to craft The Grim Captain onto the battlefield under your control tapped and attacking.

When The Grey Havens enters, scry 1.
: Add .
: Add one mana of any color among legendary creature cards in your graveyard.

(As this Saga enters and after your draw step, add a lore counter.)
This Saga deals 3 damage to target opponent and each creature they control.
Create three Treasure tokens.
Until end of turn, you may cast instant and sorcery spells from any graveyard. If a spell cast this way would be put into a graveyard, exile it instead. Exile this Saga, then return it to the battlefield (front face up).

(As this Saga enters and after your draw step, add a lore counter.)
Draw cards equal to the number of cards in your hand. You have no maximum hand size for as long as you control this Saga.
Return all non-Phyrexian creatures to their owners' hands.
You may cast any number of spells from your hand without paying their mana costs. Exile this Saga, then return it to the battlefield (front face up).

: Add .
, : Create a tapped Vibranium token.
, : Draw a card.

This spell costs less to cast, where X is the greatest power among creatures you control.
: Add . You gain 2 life.
Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

Whenever you put one or more counters on a Goblin, Orc, or Army you control, The Great Goblin deals 2 damage to target opponent.
Whenever another Goblin, Orc, or Army you control dies, exile the top card of your library. You may play it until the end of your next turn.

Each creature assigns combat damage equal to its toughness rather than its power.

Whenever chaos ensues, creatures you control get +0/+2 and gain trample until end of turn.

Each player shuffles all cards from their hand and all permanents they own into their library, then draws that many cards. Each player may put any number of land cards from their hand onto the battlefield. Exile The Great Aurora.

When you planeswalk to The Great Aerie and at the beginning of your upkeep, bolster 3.

Whenever chaos ensues, choose up to one target creature you control and up to one target creature an opponent controls. Each of those creatures deals damage equal to its toughness to the other.

Exile target permanent, then put it into its owner's hand. That player discards that card, then puts it on top of their library. Then they put it onto the battlefield.

Spells you cast have affinity for Goats.
: Target non-Goat creature perpetually becomes a Goat in addition to its other types. Then conjure a card named Goatnap into your hand. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter.)
Mill ten cards. Put up to two creature cards from among the milled cards onto the battlefield.
Distribute seven +1/+1 counters among any number of target creatures you control.
Until end of turn, creatures you control gain ": This creature fights target creature you don't control." Exile this Saga, then return it to the battlefield (front face up).

When The Grand Calcutron enters, each player's hand becomes a program (an ordered row of revealed cards).
Players can only play the first card of their program.
If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead.
At the beginning of each player's end step, if that player's program has fewer than five cards, he or she draws cards equal to the difference.
The Grand Calcutron can be your commander in silver-bordered Commander.

Vigilance, trample
Whenever The Golden-Gear Colossus enters or attacks, transform up to one other target double-faced artifact you control. Create two 1/1 colorless Gnome artifact creature tokens.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1.
A Thousand Souls Die Every Day — , Sacrifice a creature: Add three mana in any combination of colors.

Ascend
Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Then draw a card if you have the city's blessing.

Whenever chaos ensues, you may put a permanent card from your hand onto the battlefield tapped.

: Add .
, : Flip a coin. If you win the flip, create a Treasure token.
, , Sacrifice two artifacts: Draw a card.

Trample, haste
Whenever The Gitrog deals combat damage to a player, you may sacrifice a creature that saddled it this turn. If you do, draw X cards, then put up to X land cards from your hand onto the battlefield tapped, where X is the sacrificed creature's power.
Saddle 1

Deathtouch
At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.
You may play an additional land on each of your turns.
Whenever one or more land cards are put into your graveyard from anywhere, draw a card.