msem-instigator

Flying
Concord — When Archangel of Accord enters, if there are four or more card types among permanents you control, destroy all other creatures.

When Asham's Path enters, you gain 8 life.
{1}{W}{W}: Transform Asham's Path. Activate only if your fealty to Plains is five or greater.

Indestructible
Asham, God of Morality's power is equal to your life total.
Creatures you don't control have base power 1.

Concord — When Bazaar Equestrian enters, if there are four or more card types among permanents you control, you gain 4 life.

Exile target nonland permanent. Its controller gains 5 life.

Distribute three +1/+1 counters among up to three target creatures you control. Those creatures gain first strike until end of turn.

Exile target artifact or enchantment with mana value 4 or less.

Survivors you control have lifelink.

Enchant creature
Enchanted creature can't attack or block.

Flying
When Dune Wraith enters, distribute two +1/+1 counters among Spirits you control.

Flying, lifelink

When Globule of Sanctuary enters or leaves the battlefield, you gain 2 life.
{2/W}, {T}, Sacrifice Globule of Sanctuary: Draw a card.

As Guiding Light enters, choose a color.
You have hexproof from the chosen color.
If a creature you control would be dealt damage by a source of the chosen color, prevent 1 of that damage.

Survivors you control have vigilance.

When Hall of Remembrance enters, create two 1/1 white Spirit creature tokens with flying.
Whenever a Spirit you control enters, you gain 1 life.

When Hand of Fidelity enters, creatures you control get +1/+1 until end of turn.
At the beginning of your upkeep, if your fealty to Plains is five or greater, transform Hand of Fidelity. (Each Plains you control counts towards your fealty to Plains.)

Vigilance
Whenever Liege of Asham attacks or blocks, other attacking or blocking creatures you control get +1/+1 until end of turn.

Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)
When Keeper of Holy Lands enters, you may search your library for an enchantment card, reveal it, then shuffle and put that card on top of it.

Flying
Whenever a nontoken, noncreature, nonland permanent you control enters, create a token that's a copy of that permanent except it has no mana cost and it isn't legendary.

Concord — Lurking Lahasia has first strike and lifelink as long as there are four or more card types among permanents you control.

First strike

As Mercantile Accords enters, choose a number.
Whenever an opponent casts a spell with the chosen mana value, you draw a card and create a Treasure token.

Exile target creature. If its power is 3 or greater, return that card to the battlefield under its owner's control at the beginning of the next end step.

Destroy target attacking or blocking creature.

{2/W}, {T}: Tap target creature.