msem-instigator

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It loses any Roles you don't control.)
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

When Renegade Servitor enters, you gain 2 life and scry 1.

When Renili, Telenian Weaponist enters, you may exile another target creature until Renili leaves the battlefield.
When Renili leaves the battlefield, put a +1/+1 counter on each creature you control.

Lifelink
Whenever Repent, Daughter of Fallacy blocks or becomes blocked, it deals 3 damage to any target.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{4}{G}: Recreate
Put two +1/+1 counters on each creature token you control.
{4}{U}: Reproduce
Draw a card for each noncreature token you control.
{3}{G}{U}: Repeat
Replication Module gains “At the beginning of your upkeep, you may create a token that's a copy of target token you control.”

Return target creature card from your graveyard to the battlefield. It has base power and toughness 1/1 and is a Construct in addition to its other types. (This effect lasts indefinitely.)
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

This spell costs {2} less to cast as long as you've sacrificed an Idol this turn.

Trample
When Resolution of Stone enters, put a +1/+1 counter on target creature you control.
Revive {4}{G}{G} ({4}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

You may cast this spell as though it had flash if you pay an additional {2} to cast it.
You may have Resourceful Impersonator enter as a copy of any creature on the battlefield.

Whenever you sacrifice a permanent, put a +1/+1 counter on Restless Oppressor.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Whenever a card leaves your graveyard, you gain 1 life.
I, II — Return target land card from your graveyard to the battlefield.
III — Return any number of creature and/or land cards from your graveyard to your hand. Exile Restoration.

Embellish {5}{U} (If you cast this spell for {5}{U}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
Retinue Golem gets +1/+1 as long as you control another artifact.

Choose one —
• Return target nonland permanent to its owner's hand.
• Put the bottom two cards of your library into your hand.

You may cast this spell as though it had flash by sacrificing a creature in addition to its other costs.
Destroy up to four target tapped creatures.

Trial 4 (As you cast this spell, an opponent of your choice may pay 4 life. If they don't, they fail the trial.)
Put target creature card from a graveyard onto the battlefield under your control. That creature gains haste. Sacrifice it at the beginning of the next end step unless the trial was failed.

When Return to the Home Plane enters, draw a card, then choose a card name.
Spells you cast with the chosen name cost {G/U}{G/U} less to cast and may be cast as though they had flash. This effect reduces only the amount of colored mana you pay.

Destroy up to one target artifact, enchantment, or creature with flying. Create two 1/1 green Saproling creature tokens.

Destroy target creature. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Ward {2}
When Rewriter of Flesh enters, target creature you control becomes an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

[+1]: Up to one other target permanent gains hexproof and indestructible until your next turn.
[–3]: Destroy target tapped permanent.
[–7]: You get an emblem with “If you would lose the game, instead exile this emblem, shuffle all cards you own that aren't on the battlefield into your library, then draw seven cards. Your life total becomes 40.”

Hexproof from mana value 3 or less
{W}: Rhysta of the Roses gains lifelink until end of turn.
{B}: Rhysta of the Roses gains menace until end of turn.

At the beginning of combat on your turn, you may pay 3 life. If you do, target creature seeks secrets or valor. (Give it that Oath Aura. Fulfill secrets by attacking with it and two or more other creatures to draw a card. Fulfill valor by dealing combat damage to a player to create a 2/1 white Soldier token.)
Whenever you fulfill an Oath, each opponent sacrifices a nonland permanent.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{4}{R}: Hymn
Exile the top three cards of your library. During your next turn, you may play those cards.
{4}{W}: Chorus
Create three 1/1 white Avatar enchantment creature tokens with prowess.
{3}{R}{W}: Beat
Rhythm Module gains “Whenever you cast a noncreature spell, creatures you control get +1/+0 and gain haste until end of turn.”

As Rhythm of Kaneh enters, choose Andazir or Mahara.
• Andazir — Whenever a creature you control attacks, defending player discards a card.
• Mahara — Whenever a nontoken creature you control dies, amass Soldiers X, where X is that creature's power.

As Rhythm of Soli enters, choose Atieh or Kahroba.
• Atieh — Creatures you control have lifelink.
• Kahroba — Creatures you control enter with an additional +1/+1 counter on them.