msem-instigator

At the beginning of combat on your turn, if there are seven or more loyalty counters on Ameret, they become a 5/5 Angel creature with flying and indestructible until end of turn.
[+1]: Create a 1/1 red and white Cleric creature token with lifelink and haste.
[–X]: Ameret deals X damage to any target. You gain X life.

Return target instant or sorcery card from your graveyard to your hand.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Whenever a creature attacks you, tap that creature. It doesn't untap during its controller's next untap step.

Each player sacrifices a creature with mana value X or greater.
Return up to one target creature card with mana value X or less from your graveyard to the battlefield.

Reach
{3}{G}: Put a +1/+1 counter on Avaz Sentry.
Surpass {5}{G} ({5}{G}: Transform this creature. This costs {1} less to activate for each counter on it. Activate only as a sorcery.)

Enchant player
Whenever enchanted player taps a nonbasic land they control, that land doesn't untap during its controller's next untap step.

Enchant creature
Enchanted creature has “Whenever this creature attacks, if there are at least two other attacking creatures, this creature gains +2/+2 until end of turn.”

Abandoned Preserve enters tapped if you control another nonbasic land.
{T}: Add {B} or {G}.

Flying

This spell costs {2} less to cast if you activated an ability that's not a mana ability this turn.
Searing Grace deals 3 damage to any target.

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.

(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.
I, II — The Unhinging Project deals 2 damage to any target. You gain 2 life.
III — Discard your hand. Surveil 3.

Trample
When Dogged Pioneer enters, create a 2/2 green Hound creature token.
Whenever a land you control enters, put a +1/+1 counter on Dogged Pioneer and up to one target Hound.

{3}{R}: Attacking creatures you control get +1/+0 until end of turn.

As long as you control another white creature, Mavisa's Familar has lifelink. The same is true for blue and flying, black and deathtouch, and red and trample.

Choose two—
• Target creature gains indestructible until end of turn.
• You gain 3 life.
• Draw a card.

Wanderlust — Whenever Highwild Survivalist attacks, add {R} or {G}. If you control four or more differently named lands, add {R}{G} instead. Until end of turn, you don't lose mana added this way as steps and phases end.

Return target non-Horror creature to its owner's hand. Scry 1.

Sentinel of the Highlands has hexproof as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Defender
When Friend of Tides enters, rouse 2. (Distribute two +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

Whenever Grasping Carriage attacks, target creature an opponent controls can't block this turn.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

When Blackwall's Edge enters, if you control four or more lands, you may have each player conjure a card named Data-Point into their hand. (It's a sorcery that costs {2} with “Draw a card.”)
{T}: Add {C}.
When Blackwall's Edge is destroyed, return it to its owner's hand.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{2}{W}: Virtue
You gain 6 life.
{2}{B}: Corruption
Each opponent loses 3 life.
{1}{W}{B}: Absolution
Morality Module gains “At the beginning of your end step, if you have more life than an opponent, you may pay 2 life. If you do, draw a card.”

When Prophetic Prismite enters, draw a card.
{2}: Add one mana of any color.

Target creature can't be blocked this turn. Scry 1.
Fabled {2}{U} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)