msem-instigator

Whenever a creature you control enters, if its mana value is greater than the number of bloom counters on From a Seed, put a bloom counter on From a Seed.
Creatures you control get +1/+1 for each bloom counter on From a Seed.

Up to two target lands you control become 1/1 black Bear creatures with deathtouch. They're still lands. (Then exile this card. You may cast the creature later from exile.)

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.

If you would lose unspent mana, that mana becomes colorless instead.

Trample

When Frontier Scouts enters, reveal the top card of your library. If it's a land, put it onto the battlefield tapped.

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.)

First strike
When Frontline Descender enters, you may salvage an instant or sorcery card. (Exile one from your graveyard until this creature leaves the battlefield. Whenever this creature deals combat damage to a player, put a card it salvaged into your hand.)

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

Deathtouch
{B}{G}, Exile Frosted Adder from your graveyard: Return another target creature card from your graveyard to your hand.

Look at the top three cards of your library. Put one on top and the rest on the bottom in any order.
Draw two cards. You lose 2 life.

Catalyze. (The next spell you cast this turn costs {1} less to cast.)
Fueled Flame deals damage to any target equal to the number of times you've catalyzed this turn.

Fulfill the Contract deals X damage to target creature or planeswalker and you gain X life, where X is the number of Satrapies you control.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)

Enchant creature
Enchanted creature gets +2/+3 and has trample.

[+1]: Draw a card, then discard a card.
[–2]: Fulmen, Aether Prodigy deals 2 damage divided as you choose among one or two targets. Draw a card.
[–6]: Whenever you cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy.

{U}{R}, {T}: Fulmen deals 1 damage to target creature. When a creature dealt damage this way dies this turn, draw a card.
Whenever you cast an instant or sorcery spell, if you cast another instant or sorcery spell this turn, exile Fulmen, then return him to the battlefield transformed under his owner's control. He deals 3 damage to each creature.

Whenever you cast a spell that targets, Fume Whisperer gets +1/+1 until end of turn and can't be blocked this turn.

Create three 1/1 green Saproling creature tokens.

Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +1/+0 and gains haste.

Furious Blow deals 4 damage to any target.
{2}{R}, Exile Furious Blow from your graveyard: Search your library for an Ameret planeswalker card or a card named The Lost and Seeking, reveal it, put it into your hand, then shuffle.

{1}{W}: Exile Furtive Witch. If you do, exile another target nonland permanent. Return both of those cards to the battlefield at the beginning of the next end step under their owners' control.

(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.)
{3}{R}: Rage
The first instant or sorcery spell you cast during your next turn costs {3} less to cast.
{3}{G}: Rampage
The first permanent spell you cast during your next turn costs {3} less to cast.
{2}{R}{G}: Ruin
Fury Module gains “Whenever you cast a spell with mana value 5 or greater, you may draw a card.”

Fury Swipes deals 2 damage divided as you choose among one or two targets. Scry 2.

If you control an Angel, Demon, Faerie, or Spirit, draw a card.
Exile target nonland permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.