msem-instigator

When this creature enters, create a Treasure token.

As this artifact enters, choose a creature type.
{T}: Put a muster counter on this artifact.
{T}: You may put a creature card of the chosen type with mana value equal to the number of muster counters on this artifact from your hand onto the battlefield.

Flash
{3}, Exile this card from your graveyard: Draw a card.

When this artifact enters, target creature you control seeks secrets. (Give it that Oath Aura. Fulfill it by attacking with it and two or more other creatures to draw a card.)
Equipped creature gets +2/+1. As long as it has an Oath attached to it, it has menace.
Equip {3}

Equipped creature gets +2/+1. As long as it's your turn, it has deathtouch and lifelink.
{4}, Unattach The Roseblade Reforged and return it to its owner's hand: Return target Knight or Soldier creature card from your graveyard to the battlefield tapped with a finality counter on it.
Equip {3}

As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
Other creatures you control of the chosen type get +1/+0.

When this artifact enters, you gain 3 life. Surveil 2.
{T}: Add one mana of any color.

As The Usurper's Final Rest enters, choose a card name.
Spells with the chosen name can't be cast.
If a card with the chosen name would enter the battlefield or be put into a graveyard from anywhere, exile it instead.

As long as you control exactly one legendary creature, that creature has hexproof and indestructible.
{1}, {T}, Exile a creature card from your graveyard: You gain 2 life. If the exiled card was legendary, draw a card.

{T}: Add {C}.
{2}{G}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
At the beginning of combat on your turn, if you control ten or more lands, you may pay {3}{G}{G} and exile this land. When you do, untap any number of lands you control. They become 2/2 green Elf creatures with haste in addition to their other types.

{T}: Add {C}.
{B}, {T}, Pay 2 life: Target player mills two cards.
At the beginning of your end step, if your life total is at least 13 less than your starting life total, you may pay {3}{B}{B} and exile this land. When you do, return target creature card from your graveyard to the battlefield.

{T}: Add {C}.
{4}{U}, {T}: Draw a card.
At the beginning of your end step, if you have eight or more cards in your hand, you may pay {5}{U}{U} and exile this land. When you do, take an extra turn after this one.

{T}: Add {C}.
{3}{W}, {T}: Create a 1/1 white Peasant creature token.
Whenever you attack with five or more creatures, you may pay {1}{W}{W} and exile this land. When you do, attacking creatures get +1/+1 until end of turn.

This land enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.
{1}, {T}, Sacrifice this land: Target creature seeks secrets. (Give it that Oath Aura. Fulfill it by attacking with it and two or more other creatures to draw a card.)

{T}: Add {C}.
{1}{R}, {T}, Discard a card: Exile the top card of your library. You may play it until the end of your next turn.
At the beginning of combat on your turn, if there are eight or more nonland cards in your graveyard, you may pay {2}{R}{R} and exile this land. When you do, it deals 5 damage to any target.

Flying, deathtouch, lifelink
Ride {1}{B} ({1}{B}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)
You may activate Bonescourge Kazadrak's ride ability from your graveyard by sacrificing a creature in addition to paying its other costs.

(Transform this if it's not attached to a creature.)
Enchant creature you control
The Scourgebone Pact's rider gets +2/+1, has flying, lifelink and deathtouch, and can't dismount. (This still transforms into a creature if its rider leaves the battlefield.)

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.)
I — Destroy target creature you don't control with the greatest power.
II — Until your next turn, prevent all damage that would be dealt to you and planeswalkers you control.
III — 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.)
I, II — 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.)
III — 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.