msem-instigator

This turn, players can't search libraries, bring cards from outside the game into game zones, or move cards that began the game face down in the command zone out of the command zone. (An unlocked puzzlebox cannot be unlocked again.)
Draw a card.

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

Primal {1}{U} (During your turn, you may cast this spell for {1}{U} instead of playing a land.)
Draw two cards.

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.)
Draw three cards.

Bleed {1}{U}{U} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Look at the top seven cards of your library. Put two of those cards into your hand and the rest on the bottom of your library in any order.

At the beginning of your upkeep, gain control of up to one target noncreature, nonland permanent for as long as you control Flawless Heist. Then if you control five or more permanents you don't own, you win the game.

Target creature can't be blocked this turn.
Proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

Flying
When Fleeting Distractor enters, sacrifice it unless you return another creature you control to its owner's hand.

You may have Fleeting Memory enter as a copy of any creature on the battlefield, except it has “At the beginning of the end step, exile this creature.”

Flash
This spell costs {1} less to cast for each Dragon you control.
Flying

Target player mills four cards.
Inscribed creature has flying.
Inscribe {2}{U} ({2}{U}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

When Fletcher Kalku enters or attacks, you may exile a card from your hand face down. If you do, draw a card.
You may look at cards exiled with Fletcher Kalku.
{U}{U}, Reveal a card exiled with Fletcher Kalku: Counter target spell if it has the same mana value as the revealed card. Then put the exiled card into its owner's hand.

Enchant creature
When Flight of Fancy enters, draw two cards.
Enchanted creature has flying.

Flash
{6}: Target creature gains flying until end of turn.

Return all creatures with toughness 3 or less to their owners' hands.
Investigate three times. (To investigate, create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Heroic — Whenever you cast a spell that targets Floodspeaker Triton, put a +1/+1 counter on Floodspeaker Triton, then scry 1.

Flourishing Island enters tapped.
As Flourishing Island enters, choose a basic land type.
Flourishing Island is the chosen type in addition to its other types.

Untap target creature you control. It gains hexproof until end of turn.

Draw three cards, then put a card from your hand on the bottom of your library.

Sacrifice a creature: Harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Look at the top two cards of your library. Put any number of them into your graveyard and the rest back on top in any order.

Whenever a creature you control deals combat damage to a player, you may draw a card.
Fleeting {1}{U} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Once each turn, when you activate a nonmana ability, you may tap target creature.
{1}{U}: Foggy Town Militia gains flying until end of turn.

This spell costs {2} less to cast if its target's controller is poisoned.
Counter target spell unless its controller pays {X}.

Exile target creature. Its controller creates a 2/2 colorless Spirit creature token with flying.