msem-instigator

When From Peace and Purpose enters, exile all creatures until From Peace and Purpose leaves the battlefield.
At the beginning of your upkeep, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Flash
When Frontier Paragon enters, untap all creatures you control.

When Frontier Savior enters, return up to two target creature cards with mana value 3 or less from your graveyard to the battlefield.

Improve {W} ({W}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever Frontier Wayfinder attacks, untap each other creature you control.

Frontline Banneret has first strike as long as it's your turn.
When Frontline Banneret enters, put a +1/+1 counter on another target Knight or Soldier you control.

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)

First strike

When Frontline Veteran enters, you may sacrifice another creature or artifact. If you do, draw a card.

Lifelink
Frostguard Sentry has flying as long as it has a +1/+1 counter on it.

As an additional cost to cast this spell, you may pay {3}{W}.
Choose a nonland permanent type. Destroy all permanents of the chosen type. If this spell's additional cost was paid, destroy all permanents of the chosen type you don't control instead.

Lifelink
When Funerary Daoshi enters, return target creature card with mana value 3 or less from your graveyard to your hand.

{1}{W}: Exile Furtive Witch. If you do, exile another target nonland permanent. Return both of those cards to the battlefield at the beginning of the next end step under their owners' control.

If you control an Angel, Demon, Faerie, or Spirit, draw a card.
Exile target nonland permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Take an extra turn after this one. At the beginning of that turn's end step, sacrifice each land you control. Whenever you cast a spell during that turn, copy it. You may choose new targets for the copy.
Exile Futuretheft.

Flying, vigilance
At the beginning of your upkeep, if you have 10 or more life than your starting life total, put a +1/+1 counter on each other creature you control.

First strike
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
Creatures you control with -1/-1 counters on them have double strike.

Vigilance
Improve {1}{W} ({1}{W}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)

Flying
Whenever a player casts a spell, if it isn't that player's main phase, each of their opponents may draw a card.

Whenever Gallant Chevalier attacks or blocks, put a +1/+1 counter on it and each other creature you control with a +1/+1 counter on it.

Flying
Whenever you cast a creature spell, creatures you control get +1/+1 until end of turn.
Whenever you cast a noncreature spell, create a 2/2 red and white Cat Knight creature token.

Vigilance, reach
Identity — As long as you control at least two other creatures that share a creature type with Gallord of the Order, other creatures you control get +1/+1 and have first strike.

Search your library for a creature or planeswalker card, reveal it, put it into your hand, then shuffle.

Create a 1/1 white Soldier creature token. It gets +1/+1 and gains first strike until end of turn.

Flying
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Gamhaugen Stablehand enters, put a +1/+1 counter on target creature you control. You gain 1 life.