msem-instigator

Reach
Whenever you cast a noncreature spell, you may pay {R}. If you do, target creature can't block this turn.

Flamebearer's Domain enters tapped.
{T}: Add {R}.

When Flameboon Alchemist dies, you may put a +1/+1 counter on target creature you control.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever Flamecloaked Artisan attacks, exile the top card of your library. If it's a nonland card with mana value less than Flamecloaked Artisan's power, you may cast it this turn, and you may cast it as though it had flash.

First strike, haste
Whenever you cast an instant or sorcery spell, Flamedaunt Courier gets +2/+0 until end of turn.

When Flameform Amalgam enters, you may return target instant or sorcery card from your graveyard to your hand.
Recite {4}{R} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters or if it would leave the battlefield.)

First strike (This creature deals combat damage before creatures without first strike.)
Whenever you cast an instant or sorcery spell, Flamemaster Insurgent gets +X/+0 until end of turn, where X is that spell's mana value.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever a +1/+1 counter is put on Flamerider, you may have it deal damage equal to its power to target creature.

Whenever a creature you control becomes tapped, exile the bottom card of your library. You may put it on top of your library. If you don't, Flames of the Forge deals 1 damage to target opponent or planeswalker.

Enchant creature you control
When Flamespeaker's Craft enters, it deals 2 damage to any target.
Enchanted creature has “{T}, Discard a card: Draw a card.”

Haste
Whenever Flamewake Elk attacks, you may put a +1/+1 counter on another target attacking creature.

{2}: Equipped creature gets +1/+0 until end of turn.
Equip {1}

Flamingo Rock enters tapped unless you played it from exile.
{T}: Add {U} or {R}.

When Flare Blitz enters, it deals 3 damage to any target and you gain 3 life.
{1}{R}{W}: Return Flare Blitz to its owner's hand.

{3}{R}: Target creature can't block this turn.

Instant and sorcery spells you cast cost {1} less to cast.

You may have Flawless Counterfeit enter as a copy of any noncreature artifact on the battlefield.

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.

Menace
Whenever Flayed Dunerazer attacks or blocks, sacrifice a permanent.

You may exert Fleetfooted Survivalist as it attacks. (An exerted creature won't untap during your next untap step.)
Whenever an exerted creature you control deals combat damage to a player, draw a card.

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

Breach (Whenever this deals combat damage to a player, you may have it become an Aura Curse until your next turn. Attach it to that player.)
Once each turn, when a Curse you control becomes attached to an opponent, you may sacrifice it. If you do, reveal cards from the top of your library until you reveal a Curse card. Put that card onto the battlefield attached to that player, and the rest on the bottom of your library in a random order.

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.”

Vanishing 2 (This permanent enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever a player discards one or more cards, put a time counter on Fleeting Moments.
Whenever a time counter is removed from Fleeting Moments, you draw a card and you lose 1 life.