msem-instigator

First strike, haste
Whenever you cast a spell, Double-Edged Duelist gains double strike until end of turn if that spell has the same name as a card in your graveyard.

Double strike, trample
Enchantment spells you cast cost {1} less to cast.
Whenever you put a lore counter on a Saga you control, Douglass, Star of the Show gets +1/+1 until end of turn.

Prowess
At the beginning of combat on your turn, if a permanent you controlled left the battlefield this turn, target creature can't block this turn.

Deathtouch
Whenever Dreadful Gorgon attacks, target attacking creature with lesser power gains deathtouch until end of turn.

Take an extra turn after this one.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “III—You may cast a copy of this card from exile without paying its mana cost.”)

Face-down creatures you control get +1/+1 and have flying.

Dulled Ghost can't be blocked by creatures which have power less than their toughness.
At the beginning of your end step, exile up to one target nonland permanent you control, then return it to the battlefield under its owner's control. If that permanent was tapped, each opponent discards a card.

Whenever one or more creatures you control deal combat damage to a player or planeswalker, create a Clue token.
{G}{U}, Sacrifice a Clue: Put a +1/+1 counter on target creature. Proliferate.

Return target Actor or enchantment card from your graveyard to the battlefield.

Whenever Encouraging Bulwark attacks, you may put a +1/+1 counter on each creature you control that's enchanted and/or has one or more counters on it.

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

Once each turn, when you cast a spell, you may note one of its card types that hasn't been noted for Enter Captain Minnow. If you do, create a number of tapped Treasure tokens equal to the number of types noted for Enter Captain Minnow.

Whenever a Role is attached to a creature you control or you cast a spell that targets a creature you control, put a +1/+1 counter on Enthusiastic Admirer.

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

Reach
When Extolled Arachstruct enters the battlefield, mill two cards. When you do, choose one —
• Each opponent sacrifices a creature with power less than the number of cards in your graveyard.
• Each opponent sacrifices a creature with power greater than the number of cards in your graveyard.

{2}, {T}: Tap target creature. This ability costs {2} less to activate if you control an enchantment.

Choose one —
• Target creature you control gets +0/+2 and gains hexproof until end of turn.
• Return target nonland permanent to its owner's hand.

Destroy target creature or planeswalker with mana value 2 or less. Create a tapped Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Festival Sabotage deals 1 damage to any target.
Audition for red. (Create a 1/1 Construct Actor creature token, a Warrior Role giving 3/2 and trample, or a Wizard Role giving 2/2 and prowess. Roles replace older ones.)

Until the end of your next turn, you may play a red card you own from outside the game. Add {R}{R}.

Flying
Whenever you cast a spell with mana value 4 or greater, sacrifice Fractured Prodigy. If you do, create two tokens that are copies of Fractured Prodigy.

Tap up to one target nonland permanent and put a stun counter on it.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “III—You may cast a copy of this card from exile without paying its mana cost.”)

{T}: Add {C}.
{T}, Sacrifice Gilded Gulch: Add one mana of any color.
When you discard Gilded Gulch, you may pay {1}. If you do, create a tapped colorless land token named Fading Rift with “{T}, Sacrifice this land: Add one mana of any color.”

Trial 3 (As you cast this spell, an opponent of your choice may pay 3 life. If they don't, they fail the trial.)
When Glimmering Prosecutor enters the battlefield, if the trial was failed, create two 1/1 black Devil creature tokens.

Search your library for a planeswalker card, exile it with two loyalty counters on it, then shuffle. If that card has mana value 4 or less, you may activate one of its loyalty abilities. Then put that card into your hand.