msem-instigator

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)
{2}{W}{W}: Exile Valtrian Cavalier, then return it to the battlefield under your control.

Whenever Vanguard of the Barricade attacks, tap up to one target creature defending player controls and untap up to one other target creature you control.

{3}{W}: Exile Vanishing Memory and target creature an opponent controls.

Exile target nonland permanent. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

Gestalt (When this or another creature enters under your control, you may merge it with the one in play, keeping counters and attachments. They become the permanent on top plus all abilities from under it.)
If this creature would die, you may instead put a card or token merged with it into its owner's graveyard. If you do, remove all damage marked on this creature.

{T}, Pay 1 life: Add {W}.
{T}, Pay 1 life, Sacrifice Vast Savannah: Search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

As long as you control exactly one creature, no more than one creature can attack or block each combat.

Lifelink
Prevent all combat damage that would be dealt to embattled creatures you control. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

Enchant creature
Enchanted creature gets +2/+2.
At the beginning of combat on your turn, enchanted creature gains your choice of flying, vigilance, or lifelink until end of 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.

Adorned — At the beginning of your end step, if Venerated Knight is equipped and/or enchanted, put a +1/+1 counter on it.

Flying
Whenever Venerated Sanctity deals combat damage to a player, put a faith counter on it. Then you may pay {X}{W} and sacrifice Venerated Sanctity. When you do, exile target nonland permanent with mana value less than or equal to X plus the number of faith counters on Venerated Sanctity.

Opponents drawing a card during your turn causes one death knell of a permanent you control to trigger.
Death knell — Spells target opponent casts this turn cost {1} more to cast. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)

When Verdict of the Council enters, exile up to one target creature until Verdict of the Council leaves the battlefield.
White creatures you control get +1/+0.

Other Rebel creatures you control get +0/+1.
When Veteran Renegade enters, create a 1/1 white Rebel creature token.

Whenever a creature you control dies, you may pay {W}. If you do, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)
{2}{W}, {T}: Return target creature card from your graveyard to the battlefield. Activate this ability only if you are glorious.

Vigilance
{6}: You may tap or untap target creature.

When Virtue of Propriety enters, return target creature card with mana value 3 or less from your graveyard to your hand.

Flying
At the beginning of your end step, if you gained 4 or more life this turn, create a 4/4 white Angel creature token with flying.

Once each turn, you may activate an additional loyalty ability of a planeswalker you control.
[+1]: You gain 1 life for each loyalty ability you've activated this turn. Scry 1.
[0]: Put a +1/+1 counter on target creature. It can't attack or block until your next turn.
[–3]: Exile target creature with power 4 or greater.

Flash
When Visage of Hope enters, you gain 3 life.

Whenever you attack, create a white Equipment artifact token with “Equipped creature gets +1/+1” and equip {1}. Attach it to an attacking creature you control.
At the beginning of your end step, untap each embattled creature you control. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Adorned — Visserine's Royal Guard has lifelink as long as it's equipped and/or enchanted.

This spell costs {2} less to cast if you control an embattled creature. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)
Destroy target tapped creature.