msem-instigator

Lifelink
Pay 3 life: Flightful Fledgling gains flying until end of turn.

Whenever another creature you control enters, Flightpath Trainee gains flying until end of turn.

First strike
Whenever Flintlock Pioneer deals damage, tap it. It doesn't untap during its controller's next untap step.

Trample
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

Mimic {2} ({2}: This takes the shape of your choice. Mimic only as a sorcery.) [3/3]
[shape 1] Flying, double strike [3/3]
[shape 2] Hexproof
{T}: Put two +1/+1 counters on Forest Dragon Telo. [3/3]

When Forest Whale dies, put a number of +1/+1 counters on target creature you control equal to Forest Whale's power.

Forsaken Sunseeker gets +1/+1 and has flying as long as it's not your turn.

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Whenever Fortunate Exorcist attacks, if it's renowned, exile up to one target card from defending player's graveyard.

Menace
When Fortune Hoarder dies, each player discards a card at random.

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

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.

When Fox of the Juniper Vale 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.”)

Flying
Whenever you cast a spell with mana value 4 or greater, sacrifice Fractured Prodigy. If you do, create two tokens that are copies of Fractured Prodigy.

{1}{B}, {T}, Remove a time counter from a permanent you control: Fretport Anarchists deals 2 damage to any target. You gain 2 life.

When Fretport Warden enters, scry 2.

Haste
{W}: Fretport's Heedless gains lifelink until end of turn.
At the beginning of your end step, sacrifice Fretport's Heedless.

Trample
Menagerie — Whenever Frondpond Fledglings attacks, if there are five or more creature types among creatures you control, put a +1/+1 counter on it.

Frondpond Prankster can't be blocked.
Whenever Frondpond Prankster enters or deals combat damage to a player, target player reveals their hand, then you choose any number of nonland cards from it. That player puts those cards on the bottom of their library in a random order, then draws that many cards.

Trample
Frontier Hoof gets +1/+1 for each other Centaur you control.

Trample

Frontline Banneret has first strike as long as it's your turn.
When Frontline Banneret enters, put a +1/+1 counter on another target Knight or Soldier you control.

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)

When Frontline Veteran enters, you may sacrifice another creature or artifact. If you do, draw a card.