msem-instigator

When Experienced Team enters, choose one —
• Create a 4/2 white Bear creature token.
• Create a 2/4 red Snail creature token.
• Create a 2/2 white Bird creature token with flying.

Flying, lifelink
When Daystrider Pegasus enters, exile another target non-Pegasus permanent you control, then return it to the battlefield under its owner's control.

When Daybreak enters, you gain 3 life.
Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

Exile all creatures. Exile Cycle of Creation with X genesis counters on it, where X is the number of creatures exiled this way.
Whenever you cast a spell, if Cycle of Creation is in exile, you may remove a genesis counter from it. If you do, create a 1/1 white Human creature token.

When Chiseled Familiar enters, draw a card.
Sacrifice Chiseled Familiar: You gain 2 life.

Flying, vigilance
At the beginning of your upkeep, if you control four or more Plains, put a +1/+1 counter on each other creature you control.

Motivate 2 (When this creature enters, you may motivate target creature with less power than this by putting two +1/+1 counters on it.)
{1}{W}: Target creature with a +1/+1 counter on it gains lifelink until end of turn.

Each planeswalker you control is an Okus in addition to its other types.
[–1]: Search your library for a planeswalker card or an Aura card with enchant planeswalker, reveal it, and put it into your hand, then shuffle.
The Paragon of Haberdashery can be your commander. If it is, it's all colors.

Artifact vision (Whenever this or another artifact you control enters, reveal the top card of your library. Then you may put that card into your graveyard.)
Whenever Mechanomind Researcher envisions an artifact card, put a +1/+1 counter on it.

Flying
Whenever Phantasmal Owl attacks, it gets +1/+1 until end of turn for each other creature you control with flying.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Exile target nonland permanent you don't control until Waltz on a Nimbus leaves the battlefield.
Create a 1/1 white Soldier creature token with “This creature gets +1/+1 for each enchantment you control.”
Search your library for a non-Saga enchantment card and reveal it. You may cast that card. Then shuffle.

You may pay {B} and 4 life rather than pay this spell's mana cost.
Target creature gets -5/-5 until end of turn.

Deepdrinker's Domain enters tapped.
{T}: Add {U}.

Flash
When Cephalovorous Flukes enters, counter target spell or ability that targets you or a permanent you control.

When Dawn Silhouette enters, you may exile target creature not named Dawn Silhouette you control, then return that card to the battlefield under your control.
Mirage {1}{W} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Whenever you draw a card, put a dream counter on Stargazing.
Remove seven dream counters from Stargazing and exile it: Shuffle your hand and graveyard into your library, then draw seven cards.

Destroy target artifact or land. If a land was destroyed this way, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Whenever you cast a noncreature spell, any number of target creatures you control get +1/+1 until end of turn.
Whenever a creature you control deals an amount of combat damage exactly equal to its mana value to a player or planeswalker, draw a card.

Lands you control are colorless lands named Wastes with “{T}: Add {C}” and lose all other card types and abilities.

Instant, sorcery, and Dragon cadence (Whenever you cast an instant, sorcery or Dragon spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
{R}, {T}, Discard a card: Draw a card.

As an additional cost to cast this spell, discard a nonland card.
Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Enchant land
When Arrive, Surrounded by Petals enters, audition for green. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Warrior Role giving 3/2 and trample. Roles replace older ones.)
Enchanted land has “{T}: Add one mana of any color.”

When Sadistic Indulgence enters, create three 1/1 white Human creature tokens with “This creature can't attack or block.”
Pay 1 life: Destroy target nonland permanent you control.

Counter target spell unless its controller pays {1} for each card in their graveyard.

Mill three cards. Return a card from among the milled cards to your hand. Then shuffle three cards from graveyards into their owners' libraries.