msem-instigator

Lifelink
When Army's Suppliers enters, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

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

Lands you control have hexproof.
{2}{G}{U}: Rouse 2. (Distribute two +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

When Arpechian Stag enters, create a 3/3 red Elk creature token with haste, a 3/3 green Elk creature token with trample, and a 3/3 white Elk creature token with vigilance.

You gain hexproof until end of turn. Permanents you control gain indestructible until end of turn.

{1}{G/W}: Put a +1/+1 counter on Artful Chari.
Whenever you cast an instant or sorcery spell, you may remove a number of +1/+1 counters from Chari equal to that spell's mana value. If you do, copy that spell, and you may choose new targets for the copy.

Flying
At the beginning of your upkeep, you may create a token that is a copy of target Aura you control and attach it to target permanent or player it could enchant.
{2}, Sacrifice an Aura: Artiaburz gains indestructible and hexproof until end of turn.

When Artisan's Genius enters, you may tap three untapped artifacts or other enchantments you control. If you do, draw three cards.
{5}{W}{U}, Exile Artisan's Genius: Return any number of artifact or enchantment cards with different names from your graveyard to your hand.

Augmented — When you cast this spell, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, copy it twice.
Choose a nonland permanent type. Each player sacrifices a permanent of the chosen type.

Flying
Clerics you control are Angels in addition to their other types.
Attacking Angels you control get +1/+0.

Flying
Clerics you control are Demons in addition to their other types.
Attacking Demons you control have deathtouch.

Flash
When Ascetic of Imbalance enters, draw two cards, then discard two cards. If you discarded two cards that don't share a type, Ascetic of Imbalance deals 2 damage to any target.

Flying
When Ascetic of the Folded Fan 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 vigilance.

Flying
When Aspect of Divinity dies, create a 0/2 red Egg creature token with “When this creature dies, return target creature card with mana value 2 or less from your graveyard to the battlefield.”

Target creature gets -3/-0 until end of turn. That creature's controller mills six cards.

Create three 1/1 colorless Construct Actor creature tokens.

This spell costs {1} less to cast for each legendary creature you control.
Search your library for a legendary creature card with mana value X or less, put that card onto the battlefield, then shuffle.

Whenever a non-Spirit creature deals combat damage to a player, destroy that creature. Its controller creates a 1/1 colorless Spirit creature token.

Whenever a nonbasic land becomes tapped or enters tapped, it doesn't untap during its controller's untap steps for as long as Ataraxia remains on the battlefield.

Indestructible
As long as your devotion to white and black is less than seven, Athreos isn't a creature.
Other creatures you control have lifelink.
Each player and cards in graveyards can't be the targets of spells or abilities your opponents control.

Whenever Atieh's Destiny or another creature you control enters, you gain 1 life and scry 1.

Flying
Whenever Atieh's Disciple attacks, scry 1.

Flying, hexproof
At the beginning of your end step, put an exiled card with an ancestry counter on it on the bottom of its owner's library, then scry 2. If there is exactly one card exiled with an ancestry counter on it, transform Atieh.

When Atrocity of Flesh enters, destroy target nonland permanent.
When Atrocity of Flesh dies, you may exile it. If you do, return target card from your graveyard to your hand.

Attentive Glider gets +2/+2 and has flying as long as you cast an Adventure spell or a permanent you controlled explored this turn.