msem-instigator

Create three 2/1 red and white Fox creature tokens.

Lifelink
Whenever one or more other creatures with power 2 or less you control enters, you gain 1 life. If your life total is greater than your starting life total, draw a card instead. This ability triggers only once each turn.

Whenever a nontoken creature you control dies, create a 1/1 colorless Spirit creature token with flying.

[+1]: Each player may draw a card. For each opponent who does, you gain 4 life.
[–3]: Exile target nonland permanent. As long as that card remains exiled, its owner may pay {2} any time they could cast a sorcery. If they do, they return that card to their hand.
[–8]: Target opponent gets an emblem with “Creatures you control lose all abilities and have base power and toughness 1/1.”

Whenever an artifact enters or leaves the battlefield under your control, you gain 1 life.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
If you're in a renaissance, you may have up to one target creature or planeswalker gain indestructible until end of turn.
Destroy all creatures and planeswalkers.

Flying
Whenever an artifact you control enters, put a +1/+1 counter on Glorious Wingwright. This ability triggers only once each turn.

First strike
Noncreature spells with mana value 3 or greater cost {1} more to cast.
Creatures with mana value 3 or greater enter tapped.

At the beginning of your end step, if a creature you controlled died this turn, put a +1/+1 counter on Fox of an Amber Dawn.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Fox of a Radiant Meadow has double strike as long as you're in a renaissance.

Other Foxes you control get +1/+1.
{2}{W}: Target Fox you control gains lifelink until end of turn.

When Festival Celebrants enters, put a +1/+1 counter on each creature you control.

When Diao enters, create two 1/1 white Warrior creature tokens.
Whenever Diao attacks, put a +1/+1 counter on each attacking creature you control with the least power among those creatures.

When Chamber of Penance enters, exile target nonland permanent an opponent controls until Chamber of Penance leaves the battlefield.

Vigilance
When Cai Lan enters, exile target nonland permanent an opponent controls with mana value 2 or less. Its controller creates an Idol token.

Target creature you control gets +2/+2 until end of turn. If it's attacking, 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.”)

Apostle of the Elders has lifelink as long as it has a +1/+1 counter on it.

Flying
When Apogee Cranes 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.”)

Create two 1/1 white Bird creature tokens with flying.

Whenever Adept Lieutenant attacks, 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.”)
{1}, Sacrifice an Idol: Put a +1/+1 counter on Adept Lieutenant.

Scrap, the Second Myr has all activated abilities of other artifact creatures you control.

Prowess
Whenever an artifact you control enters, you may discard a card. If you do, draw a card.

Whenever you cast a spell from your graveyard, you may sacrifice a creature. If you do, copy that spell. You may choose new targets for the copy.

Overcast — Whenever you cast a spell, create a 1/1 black Bird creature token with flying and menace if {C} was spent to cast it.
Whenever three or more creatures you control deal combat damage to a player, return target card from your graveyard to your hand.