msem-instigator

Walker of the Final Path gets +3/+3 and has trample as long as you control a Horror.
When Walker of the Final Path enters the battlefield, search your library for a Revelation card, put it into your graveyard, then shuffle.

Defender, reach

Angels, Demons, Faeries, and Spirits you control get +1/+1.
{2}{W}{B}, Pay 1 life, Discard a card: Create a tapped 1/1 white Spirit creature token with flying.

Search your library for a Forest or Academy card, put it onto the battlefield tapped, then shuffle.

Whenever Wandering Conqueror attacks, it explores. (Reveal the top card of your library. Put it into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then you may put that card in your graveyard.)
As Wandering Conqueror explores a land, you may put that card into your graveyard. Whenever you do, Wandering Conqueror deals 2 damage to target player or planeswalker.

Angel spells you cast cost {1} less to cast.

Survivors you control have menace.

Creatures you control get +1/+0 and gain haste until end of turn. (Cast a copy of this spell once while this creature is on the battlefield.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — War's Sorrow deals 1 damage to any target.
III — Each player sacrifices another permanent. Put War's Sorrow on top of its owner's library unless a player has it deal 3 damage to them.
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Up to one target creature gets -1/-1 until end of turn.
Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Destroy target enchantment, then create a 1/1 white Soldier creature token.

Warded Tome doesn't untap during its controller's untap step.
{T}: Draw a card.
{5}: Untap Warded Tome.

Defender
When Warden of Silence enters the battlefield, draw a card.

Flash
Flying
If an effect an opponent controls would cause them to take an extra turn, you take an extra turn instead.
{G}{U}: Return another creature you control to its owner's hand. Activate this ability only once each turn.

When Warden of the Archives enters the battlefield, if you cast it, tap up to four target permanents.

Flying
Whenever Warden of the Divine Court attacks, creatures in its pack get +1/+1 until end of turn. (Two or more creatures you control with equal power are in a pack.)

When Warfan of Changing Winds enters the battlefield, draw a card.
Whenever a card you own is exiled from anywhere, you may put it on the bottom of your library.

Whenever you cast a spell from your graveyard, you may sacrifice a creature. If you do, copy that spell. You may choose new targets for the copy.

Vigilance
Whenever Warfield Excavator attacks, you may exile target card from a graveyard.
Warfield Excavator gets +1/+1 for each card type among cards exiled with it.

Flash
Improve {W} ({W}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
You may activate equip and improve abilities any time you could cast an instant.

Equipped creature gets +2/+2 and has haste and trample.
Whenever another creature you control dies, sacrifice equipped creature.
Equip {1}

Discard a card: Warpblade Warrior gets +1/+1 and gains menace until end of turn. Activate only once each turn.

Each creature with power greater than its toughness doesn't untap during its controller's untap step.

Equipped creature gets +1/+1.
As long as equipped creature is a Warrior, it has first strike.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Enchant creature
When Warrior's Discipline enters the battlefield, put a +1/+1 counter on enchanted creature.
Whenever enchanted creature deals combat damage to a player, double the number of +1/+1 counters on it.