msem-instigator

Haste
Stampede — Whenever Fissure Bull and a creature with greater power attack, you may sacrifice a land. If you do, search your library for a basic land or Desert card, put that card onto the battlefield tapped, then shuffle.

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

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.)

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

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn.

Flourishing Lowlands enters tapped.
{T}: Add {G}.
Desertcycling {1}{G} ({1}{G}, Discard this card: Search your library for a Desert card, reveal it, and put it into your hand, then shuffle.)

As Flourishing Waterways enters, you may reveal a Forest or Island card from your hand. If you don't, Flourishing Waterways enters tapped.
{T}: Add {G} or {U}.

Creatures you control get +2/+1 until end of turn. Citizens and Peasants you control gain first strike until end of turn.

If you cast this spell from exile, it deals 7 damage to target creature. Otherwise, return Fortunous Flames to your hand, then reveal a card from your hand at random.
Prophecy {R} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Civilized — Whenever Founding Hero attacks, if you control an artifact, a creature, and an enchantment, Founding Hero gains double strike until end of turn.

At the beginning of your end step, choose one at random —
• Create a tapped Treasure token.
• Forebode. (Create a tapped colorless Omen artifact token with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)
• Arm target creature you control. (Create a colorless Equipment artifact token with “Equipped creature gets +1/+0” and equip {2}, then attach it to that creature.)

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.

Deception {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Frostclaw Shinobi deals combat damage to a player, scry 1, then draw a card.

Whenever a creature you control dies, put a +1/+1 counter on Funerary Barge.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Gamhaugen Stablehand enters, put a +1/+1 counter on target creature you control. You gain 1 life.

(Transform this if it's not attached to a creature. Pay {R} as a sorcery to unattach it.)
Enchant creature you control
Gamhaugen War Swine's rider gets +1/+1 and has haste.

(Transform this if it's not attached to a creature. Pay {3}{U} as a sorcery to unattach it.)
Enchant creature you control
Gamhaugen Warbeast's rider gets +2/+2 and has flying.

Choose one or both —
• Put a +1/+1 counter on each creature you control.
• Attacking creatures you control gain lifelink and indestructible until end of turn.

Flying, haste
Whenever one or more other nontoken Pirates and/or Rogues you control attack, create a 1/1 red Pirate creature token.

Equipped creature gets +2/+2 and has trample.
Equip {2}

Mill four cards. You may put up to two cards from among the milled cards into your hand. Each player loses 2 life.

When Gilded Authority enters, create two Treasure tokens. (They're artifacts with “{T}, Sacrifice this artifact: Add one mana of any color.”)
Creatures your opponents control get -1/-0.

Flash
When Gilded Blade enters, you may attach it to target creature you control.
Equipped creature gets +1/+1.
Equip {1}