msem-instigator

When Festering Shipwreck enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
At the beginning of each player's upkeep, that player sacrifices a nonland permanent.

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

Whenever Fickle Feeder blocks, fateseal 1. (To fateseal 1, look at the top card of an opponent's library, then you may put it on the bottom of that player's library.)

You may play lands from your graveyard.
Whenever a land you control enters, create a 1/1 white Peasant creature token.

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

Fierce Contempt deals 6 damage to target creature.

Target opponent chooses up to one creature. Destroy the rest.

Fiery Temper deals 3 damage to any target.
Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever you cast a spell from your hand, exile the bottom card of your library. You may cast that card. If you don't, Fight or Fade deals 1 damage to each player.

Until end of turn, creatures you control gain “Creatures with power less than this creature's power can't block it.”

Shuffle your library, then exile cards from the top until you've exiled cards with total mana value greater than or equal to X. You may play those cards until the end of your next turn. Add X mana of any one color.
Exile Final Ballad.

Each player chooses a legendary permanent from among the nonland permanents they control, then sacrifices the rest.

When Final Form enters, your life total becomes 20.
At the beginning of your upkeep, destroy up to one target creature. You draw X cards and you lose X life, where X is its power.

Choose one —
• Draw seven cards.
• End the turn. (Exile all spells and abilities, including this. The player whose turn it is discards down to their max hand size. Damage wears off, and “this turn” and “until end of turn” effects end.)

This spell costs {1} less to cast for each storied permanent you control. (Enchantments and legendary permanents are storied.)
Destroy all nonland, nonstoried permanents.

Final Struggle deals 3 damage to target creature. When that creature dies this turn, exile it and create a 3/3 red Shark enchantment creature token.

When Final Symphony enters, exile another target nonland permanent until Final Symphony leaves the battlefield.
When Final Symphony leaves the battlefield, draw a card.

Destroy all creatures that aren't enchanted.

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Fire from Above deals 2 damage to target opponent and each creature with flying that player controls.

Whenever Firefall Praetorians attacks, exile the top card of your library then copy it. You may play the copy and/or the exiled card.

Create three 1/1 red Elemental creature tokens.

If an opponent controls three or more attacking creatures, you may cast this spell as though it had flash.
Firewall Trap deals 5 damage to target creature. When that creature dies this turn, Firewall Trap deals damage equal to that creature's power to another target creature.

Destroy target creature or planeswalker. (Then exile this card. You may cast the sorcery later from exile.)

Vigilance
Other Dwarves you control get +1/+1 and have vigilance.
Whenever you activate a loyalty ability of a permanent, create two 1/1 white Dwarf creature tokens.