msem-instigator

Civilized — Whenever Founding Hero attacks, if you control an artifact, a creature, and an enchantment, Founding Hero gains double strike until end of turn.

When Frontier Savior enters the battlefield, return up to two target creature cards with mana value 3 or less from your graveyard to the battlefield.

Whenever a creature enters the battlefield under your control for the first time each turn, create a 1/1 Scout creature token that's all colors.

Flying
Each spell costs {2} more to cast except during its controller's turn.

First strike
Whenever Guardian of the Eclipse attacks, you may exile another target attacking creature you control, then return it to the battlefield under your control tapped and attacking.

When Hannaru's Spear enters the battlefield, create Hannaru's Aegis, a legendary white Equipment artifact token with “Equipped creature gets +1/+2 and has vigilance” and equip {2}.
Equipped creature gets +2/+1 and has first strike.
Equip {2}

Flying, prowess
If you would draw a card, scry 1, then draw a card instead.
Whenever an opponent casts a spell, if it's not their turn, draw a card.

Lifelink
Tap three other untapped creatures and/or artifacts you control: Transform Heroic Crusader.

Flying, lifelink

First strike, lifelink
Once each turn, when another nontoken creature you control dies, you may create a 2/2 white Elk Spirit creature token with first strike and lifelink named Fawn of Hesediel.

(Activate each ability only once as a sorcery. You gain the realm's favor after activating them all.)
{W}: Put a first strike counter on target creature.
{1}{W}: Invigorate 2. (Choose a creature with the least power among creatures you control and put two +1/+1 counters on it.)
{2}{W}: Create two 1/1 white Soldier creature tokens.
Creatures you control with counters on them have flying and lifelink.

Target player creates two 1/1 white Spirit creature tokens with flying.
Fabled {3}{W}{W} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Enchant player
Creature tokens enchanted player controls get +1/+1.

Concord — At the beginning of your upkeep, if there are four or more card types among permanents you control, you gain 1 life and create a 1/1 blue Jellyfish enchantment creature token with slipstream. (It can't be blocked as long as only creatures with slipstream are attacking.)

Exile target artifact or enchantment. Its controller creates a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Put target creature or planeswalker on the bottom of its owner's library. Its controller may scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Lifelink
Creature and Aura cards with mana value 3 or less in your graveyard have revive {2}{W/B}. ({2}{W/B}, Exile that card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever one or more other creatures enter the battlefield under your control, upgrade each creature you control. (Give each one of the listed counters it doesn't already have. Upgrades are independent.)
• +1/+1
• Flying
• First strike
• Vigilance
• Lifelink

Flying
If Liguno, Who Transcends All or another permanent you control would be put into a graveyard from the battlefield, exile it instead. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Vigilance
Whenever Lijing, the True Divinity or another nontoken creature enters the battlefield under your control, choose one —
• Create a 1/1 white Fox Spirit creature token.
• Invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

When Lilyreed Triton enters the battlefield, create a white Aura enchantment token named Triton's Gift attached to target creature. The token has enchant creature and “Enchanted creature gets +1/+0 and can't be blocked by creatures with power 3 or greater.”

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever you cast a spell, for each of that spell's colors, create a 1/1 Scout creature token that's all colors.

Double strike, vigilance
Whenever Major Benjamin Stout enters the battlefield, attacks, or dies, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

[+1]: Exile up to one target tapped creature.
[–2]: Create a 4/4 white Angel creature token with flying.
[–3]: Destroy all creatures. You gain 1 life for each creature destroyed this way.
[–7]: You get an emblem with “At the beginning of each end step, you gain life equal to twice the life you've lost this turn.”