msem-instigator

{T}, Pay 1 life: Add {R}.
{6}{R}{R}, Exile The Court of Angels from your hand: Destroy all artifacts, creatures, and lands. They can't be regenerated.

Other permanents you control have hexproof.
Prevent all damage that would be dealt to other permanents you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Destroy target creature you don't control with the greatest power.
I — Until your next turn, prevent all damage that would be dealt to you and planeswalkers you control.
II — Exile target card from a graveyard. You gain 2 life.

First strike
At the beginning of your end step, each opponent that lost life this turn loses 1 life and discards a card. You gain life equal to the life lost this way, then draw a card for each land card discarded this way.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create a 1/1 colorless Construct Actor creature token.
II — Create a Food token and a Weapon token. (A Weapon token is an Equipment with equip {2} and “Equipped creature gets +1/+1.)
III — You may exile The Disappearance of Faye if you control five or more tokens. If you do, return a card from your graveyard to your hand. If you didn't exile it, draw a card.

Indestructible
At the beginning of your upkeep or when this creature transforms into The Divine Lovers, gain control of target permanent with mana value X or less until end of turn, where X is the number of creatures you control. Untap that permanent. It gains haste until end of turn.

{T}, Sacrifice X lands: Search your library for a nonland card with mana value X, cast it without paying its mana cost, then shuffle.

Menace
When The Duneborn Host enters the battlefield, mill four cards.
Whenever a card is put into your graveyard from anywhere, each opponent loses 1 life and you gain 1 life.
Whenever a card leaves your graveyard, create a 2/2 black Zombie creature token.

At the beginning of your upkeep, destroy target creature with the greatest power or tied for greatest power among creatures on the battlefield. Then if there are no creatures on the battlefield, sacrifice The Empty Throne.

Death knell — All creatures get -1/-1 until end of turn. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)
{B}, Sacrifice a creature: Choose a card in your graveyard with mana value less than the sacrificed creature's mana value. You may cast it without paying its mana cost.

Cards in graveyards, exile, and libraries lose all abilities and card types.

Whenever a creature an opponent controls dies, its controller loses 1 life.
At the beginning of each opponent's upkeep, put a -1/-1 counter on each creature that player controls.

Whenever The Feller of Greatwoods enters the battlefield or attacks, you may sacrifice two noncreature permanents. For each permanent sacrificed this way, reveal the top five cards of your library. You may put a creature card from among them onto the battlefield and the rest into your graveyard.

Flying
Creatures you control have “{T}: Add {C} or one mana of any color.”
{X}: The Finest Specimen gets +X/+X until end of turn.

Whenever The First Idol attacks, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
Sacrifice three Idols: Return The First Idol from your graveyard your hand.

Whenever an opponent activates an ability of a nonland permanent, destroy that permanent.
{3}{U}{B}{R}: Exile target creature or planeswalker card in a graveyard. Create a token that's a copy of it.

[+1]: Return target nonland permanent to its owner's hand. That player loses 2 life.
[0]: Create a 1/1 blue Bird creature token with flying for each loyalty counter on The Flock.
[–6]: You get an emblem with “If a permanent you don't control would leave the battlefield, you may instead exile it, then return that card to the battlefield under your control. It's a 1/1 blue Bird creature with flying.”

[+1]: Create a 0/1 blue Illusion creature token.
[–2]: Put target creature on top of its owner's library.
[–6]: You get an emblem with “Whenever you draw a card, target opponent mills six cards.”

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Return target creature card with mana value 2 or less from your graveyard to the battlefield.
II — Each opponent loses 2 life and you gain 2 life.
III — Return target creature card with mana value 2 or less from your graveyard to the battlefield.

When The Grand Plot enters the battlefield, search your library for up to three Saga cards with different names with mana value X or less, exile them, then shuffle.
The Grand Plot has all chapter abilities of cards exiled with it.
At the beginning of your upkeep, you may put a lore counter on The Grand Plot. When you do, you may sacrifice it. If you do, draw a card.

Flying
When you cast The Grand Simurgh, search your graveyard and the top five cards of your library for any number of nonlegendary creature cards with total mana value 5 or less and put those cards onto the battlefield, then shuffle.

Cards in your hand have lifecycle {3}.
{2}{G}, Sacrifice four creatures: Create two tapped 4/4 green Chimera creature tokens.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
If a red source you control would deal damage, it deals that much damage plus 1 instead.
I, II — Exile the top card of your library. If it's red or a Mountain, you may play that card this turn.
III — Return target red instant or sorcery card from your graveyard to your hand.

First strike
Whenever The Heart-hardened or another creature you control dies, each opponent loses 1 life. If this is the third time this ability has resolved this turn, you draw three cards and you lose 3 life.

Trample
Whenever a creature you don't control dies, you gain 2 life.
Whenever you gain life, put that many +1/+1 counters on target creature you control.