msem-instigator

Flying, prowess
Whenever you cast a noncreature spell, untap Ingenious Trickster.

Menace

Target opponent discards two cards. You create a 0/1 black Cultist creature token with “{1}{B}{B}, Sacrifice three Cultists: Create a 5/5 black Demon creature token.”

Exile target creature. Its controller loses 3 life.

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip {5}

Each player sacrifices a creature with mana value X or greater.
Return up to one target creature card with mana value X or less from your graveyard to the battlefield.

{2}{W}: Ornate Legionnaire gains first strike until end of turn.

Deathtouch
Foresight — Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life.
{1}{B}: Qalam Surveyor gains menace until end of turn.

Untap all artifacts you control during each other player's untap step.
Tap two untapped artifacts you control: Target player mills two cards.

Flash
When Mokuteki Ambusher enters, until end of turn, other creatures you control gain “{T}: This creature deals 1 damage to any target.”

({T}: Add {R} or {G}.)
Highland Vale enters tapped.

When Powercell Engineer enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”

Ungoverned Sneak can't be blocked by creatures with greater power.
Attain {3}{U} ({3}{U}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

You may play cards exiled with Azamir planeswalkers.
[+2]: Search each player's library for a card and exile it. Shuffle each library searched this way.
[–3]: Each opponent chooses a permanent they control for each permanent type, then exiles those permanents.
[–8]: Exile all cards your opponents own from outside the game. Until end of turn, you may cast spells without paying their mana costs and you may play cards exiled with Azamir planeswalkers.

When Rampaging Xiangshe enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
Each creature you control with a +1/+1 counter on it has trample.

Striptide deals 1 damage to target creature. Unattach all artifacts from it. It becomes red until end of turn.
Draw a card.

Paygan Firebinder gets +1/+0 for each Satrapy you control.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Exile each player's graveyard. Create a token that's a copy of a creature card exiled this way.
II — Create a token that's a copy of an artifact or enchantment card exiled with Around the Plane in Three Days.
III — Create a token that's a copy of a land or planeswalker card exiled with Around the Plane in Three Days.

Enchant creature
Enchanted creature attacks each combat if able.
At the beginning of your upkeep, Eternal Rage deals 2 damage to enchanted creature's controller.

First strike
Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
{6}, {T}: Search your library for a creature card with distorted, put it onto the battlefield, then shuffle.

Flash
Flying
When Champion of the Provinces enters, return any number of other permanents you control to their owner's hands.

Return target nonland permanent to its owner's hand.
Reconstruct {5}{U} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

Flash
When Rippling Water Arcanist enters, copy target instant or sorcery spell you control, then return it to its owner's hand. You may choose new targets for the copy.

Choose target creature. Brutal Descent deals 2 damage to each creature other than the chosen creature.
Ferocious — If the chosen creature has power 4 or greater, Brutal Descent deals 4 damage to each creature other than the chosen creature instead.

When this creature enters, create a Weapon token, then attach it to a creature you control. (It's an Equipment artifact token with equip {2} and “Equipped creature gets +1/+1”.)
Arise {5}{R} ({5}{R}, Exile this from your graveyard as a sorcery: Create a black token copy of it that's also a Zombie and can't block.)