msem-instigator

As long as Imperial Proclaimer is on the battlefield, it has all names of nonlegendary creature cards in addition to its name.

When Journey through Kareki enters, draw a card, then choose a creature card name.
Creatures you control with the chosen name get +1/+1.

When Journey through Kitasan enters, draw a card, then choose a creature card name.
{1}{W}: Put a +1/+1 counter on each creature you control with the chosen name. Activate only as a sorcery.

First strike
Revive {4}{W} ({4}{W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Vigilance
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{2}{W}{W}: Creatures you control get +1/+1 until end of turn.

Flying
When Kinjiru Sandshaper enters, tap target creature.

Vigilance
Whenever Kodaichi Bladedancer attacks, target creature gets +2/+2 until end of turn.

Flash
If a nontoken creature you don't control would enter and it wasn't cast, exile it instead.
When Paragon of Honor leaves the battlefield, return each card exiled with it to the battlefield under their owner's control.

Create a token that's a copy of a creature token you control.
Draw a card.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{2}{W}: Create a 1/1 white Human Samurai creature token.

When Seikatsu Warleader enters, if it's not a token, create a token that's a copy of target creature token you control.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{2}{W}: Target creature gains vigilance until end of turn.

When Soul Jar enters, exile target creature and each other creature with the same name as that creature until Soul Jar leaves the battlefield.

Target creature gets +1/+1 for each creature you control and gains flying and vigilance until end of turn.

Enchant creature
Spirited (When this enters, you may activate one of its activated abilities without paying its cost.)
{1}: Enchanted creature can't attack or block this turn.

Flash
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{T}: Target creature gets +0/+4 until end of turn.

Gain control of target noncreature, nonland permanent with mana value X.

Whenever you cast a spell, draw a card if that spell has the same name as a card in your graveyard.

When you cast Aspect of Shifting Storms, create a token that's a copy of it.
You may have Aspect of Shifting Storms enter as a copy of any creature on the battlefield, except if it's a token it has no mana cost.

When Chiheisen, Terrace of Serenity enters, draw a card, then choose a creature card name.
Spells you cast with the chosen name cost {2} less to cast.

Exile any number of target creatures you control, then return those creatures to the battlefield under their owner's control.

Each player returns each instant and sorcery card from their graveyard to their hand. Exile Ebb and Flow.

Counter target spell. If that spell is countered this way, put it on the bottom of its owner's library instead of into that player's graveyard.

Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{U}, {T}: You may tap or untap target Human.

When Imperial Diplomats enters, if it's not a token, create a token that's a copy of it, except it has no mana cost.
{T}, Tap an untapped creature you control: Draw a card, then discard a card.