msem-instigator

Whispering Canal enters tapped unless you control a basic land.
{T}: Add {U} or {B}.

Waterfront Market enters tapped unless you control a basic land.
{T}: Add {W} or {U}.

Splendid Scenery enters tapped unless you control a basic land.
{T}: Add {G} or {W}.

Molten Mire enters tapped unless you control a basic land.
{T}: Add {B} or {R}.

Autumnal Boscage enters tapped unless you control a basic land.
{T}: Add {R} or {G}.

{T}: Target player exiles a card from their graveyard.
{2}, Sacrifice Remnant of Past Realities: Exile each opponent's graveyard. Draw a card.

When The Grand Plot enters, 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.

When Collapsing Frame enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{2}, Sacrifice Collapsing Frame: Draw a card.

{T}: Add one mana of any color.
{2}, {T}: Put a lore counter on a Saga you control.

When Marionette Phantom enters, choose one —
• Draw a card.
• Proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

When Performers of Purpose enters, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Construct Actor creature token.
As long as it's your turn, Performers of Purpose has first strike.

{T}, Pay 1 life: Add one mana of any color.

When Thespian's Page enters, return target instant or sorcery card from your graveyard to your hand.

When Backstage Broken enters, create a 1/1 colorless Construct Actor creature token.
Whenever a token you control leaves the battlefield, you gain 1 life.

When Overconfident Batter dies, if it's enchanted or you cast a spell that targeted it this turn, you gain 3 life.

Whenever Crescent Crasher attacks, put a +1/+1 counter on target attacking creature with lesser power.

Whenever Scathing Critics deals combat damage to a player or planeswalker, put a +1/+1 counter on it.

Flash
Whenever you cast your second spell each turn, put a +1/+1 counter on Brooding Replacement.

{2}, {T}: Tap target creature. This ability costs {2} less to activate if you control an enchantment.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Whenever you cast a spell from anywhere other than your hand, remove a lore counter from The Unhinging Project.
The Unhinging Project deals 2 damage to any target. You gain 2 life.
Discard your hand. Surveil 3.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Create two 1/1 colorless Construct Actor creature tokens.
Creatures you control gain flying until end of turn. Whenever one or more of them deals combat damage to a player this turn, draw a card.
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Prowess, trample
During your turn, each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost plus “Pay X life, where X is this card's mana value.”

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a token that's a copy of target Construct you control.
III — Constructs you control get +2/+0 and gain vigilance until end of turn.
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Creatures you control get -3/-3.
Whenever a creature you control dies, put a soul counter on Remake the Cast.
Creatures you control get +1/+1 for each soul counter on Remake the Cast.

As Reflective Stalker enters, choose a noncreature card name.
When Reflective Stalker enters, if it was cast, create a token that's a copy of it.
Spells your opponents cast with the chosen name cost {2} more to cast.