msem-instigator

When Diao enters, create two 1/1 white Warrior creature tokens.
Whenever Diao attacks, put a +1/+1 counter on each attacking creature you control with the least power among those creatures.

When Diao, Dragoon Captain enters, create three 1/1 red and white Warrior creature tokens.
Whenever a creature you control attacks, invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

Whenever a creature you control dies, put a loyalty counter on Dias, Freed from Belief.
[0]: Create a 2/1 black Nightmare creature token with “This creature can't block.”
[–X]: Destroy target creature or planeswalker unless an opponent pays twice X life.

Draw two cards. Then if this spell wasn't cast from your hand, create a Function token with “Compose.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)
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
Tribute 3 (As this creature enters, an opponent of your choice may put three +1/+1 counters on it.)
When Dignified Serpent enters, if tribute wasn't paid, put a +1/+1 counter on each other creature you control.

Enchant artifact or creature
When Dilapidate enters, tap enchanted permanent.
Enchanted permanent loses all abilities and doesn't untap during its controller's untap step.

{3}{W}{W}: Detain target nonland permanent. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Counter target spell.
If you countered a spell with mana value 2 or less this way, manifest dread. (Look at the top two cards of your library, then put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Choose one—
• Counter target spell.
• Exile two target permanents you control, then return them to the battlefield under your control.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Damage dealt to tapped creatures your team controls also causes you to gain that much life.
Whenever a nontoken creature you own dies, create a token that's a copy of it.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
Fabled {3}{R}{R} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

[+1]: Draw two cards.
[–1]: Until your next turn, Director Amitai Eliahu gains “Other nonland permanents lose all abilities.”
[–3]: You may discard a card. If you do, you may cast a spell that shares a color with that card without paying its mana cost.
[–9]: Until end of turn, play with your library revealed. You may cast spells from your library this turn.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell.)
All creatures get -2/-2 until end of turn

Counter target spell or activated ability. If an activated ability of an artifact was countered this way, put that permanent on the bottom of its owner's library.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Counter target spell. Mill three cards.

When Disciple of Faradia enters, search your library for an Angel or Aura card, reveal it, and put it into your hand, then shuffle. You gain life equal to its mana value.
As long as you control an Angel, Disciple of Faradia gets +2/+2, has flying, and is an Angel in addition to its other types.

Search your library for up to thirteen cards, exile them, then shuffle.
Draw three cards.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I, II, III — Create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
IV — Sacrifice three artifacts.
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Foretell {3}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Each opponent discards three cards.

When Disharmony of the Spheres enters, return up to four creature cards from your graveyard to your hand.
At the beginning of your upkeep, you may sacrifice an Angel, a Demon, a Faerie, and a Spirit with different names. If you do, you win the game.

Destroy target creature or planeswalker. Draw a card.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. Scry 1.

Trample