msem-instigator

Descended Countryside enters tapped.
{T}: Add {G} or {W}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Boneyard Pass enters tapped unless you control a basic land.
{T}: Add {W} or {B}.

Frostpoint Caldera enters tapped unless you control a basic land.
{T}: Add {U} or {R}.

Basin Fortress enters tapped unless you control a basic land.
{T}: Add {B} or {G}.

Spinerock Canyon enters tapped unless you control a basic land.
{T}: Add {R} or {W}.

Thawing Valley enters tapped unless you control a basic land.
{T}: Add {G} or {U}.

Crumbling Vestige enters tapped.
When Crumbling Vestige enters, add one mana of any color.
{T}: Add {C}.

Whenever a creature you control dies, put a soul counter on Hill of Souls.
{T}: Add {C}.
{T}, Remove a soul counter from Hill of Souls: Add one mana of any color.

{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast artifact spells. Activate only if you control three or more artifacts.

Flying, lifelink
If an ability of an enchantment you control triggers, you may have that ability trigger an additional time.

Whenever another creature or enchantment you control enters, you gain 1 life.
{3}{W}{W}, Pay 5 life: Castigated Sister becomes a 5/5 Angel Horror with flying. (This effect doesn't end at end of turn.)

Create a 1/1 colorless Construct Actor creature token for each creature you 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.”)

Vigilance
Conflict Capturer gets +2/+0 as long as a permanent you controlled left the battlefield this turn.

Each player who controls a creature with power 3 or less draws a card. Then destroy all creatures.

(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.
Until your next turn, prevent all damage that would be dealt to you and planeswalkers you control.
Exile target card from a graveyard. You gain 2 life.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Audition for white. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Cleric Role giving 2/2 and lifelink. Roles replace older ones.)
Distribute two +1/+1 counters among creatures you control.

This spell costs {2} less to cast as long as you control a Saga.
When Engrossed in the Tale enters, exile target creature an opponent controls until Engrossed in the Tale leaves the battlefield.

Vigilance
When Expendable Victim dies, create a 1/1 colorless Construct Actor creature token.

Exile target creature you control, then return it to the battlefield under its owner's 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.”)

If you have less life than an opponent, you gain 2 life. If you control fewer creatures than an opponent, create a 1/1 colorless Construct Actor creature token.
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.”)

Audition for white. If you create a Role this way, untap the creature it enchants. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Cleric Role giving 2/2 and lifelink. Roles replace older ones.)

Target creature you control gets +2/+2 until end of turn.
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.”)

Whenever Ivory Curtain Producer attacks, if it's enchanted or you cast a spell that targeted it this turn, create a 1/1 colorless Construct Actor creature token.

Whenever you cast a white spell, choose up to X, where X is the number of white mana symbols in that spell's mana cost —
• Return target creature card with mana value 1 or less from your graveyard to the battlefield.
• Creatures target player controls get +1/+1 until end of turn.
• Target player gains 2 life.
• Tap target creature.

Whenever Leading Clergy attacks, you may pay {W}. If you do, audition for white. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Cleric Role giving 2/2 and lifelink. Roles replace older ones.)