msem-instigator

Trample
Noncreature spells cost an additional “Put a noncreature permanent you both own and control on top of your library” to cast.

At the beginning of your upkeep, create a 1/1 white Soldier creature token.
{1}{G}{W}: Create a 1/1 white Soldier creature token. Activate only during your upkeep and only if Faith is in your graveyard.

At the beginning of combat on your turn, gain control of target creature an opponent controls with power less than the greatest power among creatures you control until end of turn. Untap that creature. It gains haste until end of turn.

Fang Den Bouncer can't be blocked by creatures with power 2 or less.

Each player sacrifices six permanents.

When Fellor Ironborn enters, you may return target artifact card from your graveyard to the battlefield. If it's an Equipment, you may attach it to target creature you control.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When Feralborn Druid enters, create two 2/2 green Wolf creature tokens.
Feralborn Druid gets +1/+1 for each Wolf you control.

Haste
Menace (This creature can't be blocked except by two or more creatures.)
{4}{R}{R}: Ferocious Desert-Hunter gets +X/+0 until end of turn, where X is its power.

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

When Fiend of Convenience enters, destroy target creature an opponent controls.
Whenever Fiend of Convenience attacks, each opponent loses 3 life.

Menace
When Fiendish Bruiser enters, exile up to three cards from target player's graveyard.

Destroy all creatures that aren't enchanted.

When Fish Out of Water enters, exile the top four cards of each library.
During each of your turns, you may cast a card exiled with Fish Out of Water without paying its mana cost.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Flamethrower deals 4 damage to any target.

Fortune's Fusillade deals X damage divided as you choose among any number of targets, where X is the number of Pirates and Rogues you control plus the number of instant and sorcery cards in your graveyard.

Whenever a creature an opponent controls deals damage to you, monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous.)
Frigid Behemoth can't attack unless it's monstrous.

Exile any number of target creatures you control. For each creature exiled this way, create a token that's a copy of it, except it's
a 4/4 white Angel Soldier with flying in addition to its other types.

Choose one —
• Target creature you control deals damage equal to its power to each of up to two other target creatures.
• Create a 5/5 green Treefolk creature token with reach.

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

Put target creature on the bottom of its owner's library. That player reveals cards from the top of their library until they reveal a creature card, then puts all cards revealed this way into their graveyard.

When Fungal Whomper enters, you gain 4 life.
When Fungal Whomper leaves the battlefield, germinate four times. (To germinate, put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Create a 5/5 green Badger Bear creature token with trample. (Then exile this card. You may cast the creature later from exile.)

Take an extra turn after this one. At the beginning of that turn's end step, sacrifice each land you control. Whenever you cast a spell during that turn, copy it. You may choose new targets for the copy.
Exile Futuretheft.