msem-instigator

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.)

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When Fogborn Mauler enters or leaves the battlefield, you gain 2 life.

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.

Noncreature spells you cast cost {1} more to cast.
Noncreature spells your opponents cast cost {1} more to cast unless that player controls more creatures than you.

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

When Folded Fan Recruit enters, invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

Defender
Foliage Hunter has deathtouch as long as you've cast a spell this turn.

Improve {R} ({R}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever another creature you control with power less than or equal to Folkvar, Galdurheim Brawler's power attacks, Folkvar deals 1 damage to the player or planeswalker that creature is attacking and you gain 1 life.

Until the end of your next turn, you may play a red card you own from outside the game. Add {R}{R}.

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

{1}{U}, {T}: Draw a card, then discard a card. You get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)
{U}, {T}: Draw a card. Only activate this ability if you are glorious.

Whenever a Plains you control enters, create a 1/1 white Soldier creature token.
Whenever you attack, you may search your library for a Plains card, reveal it, put it into your hand, then shuffle.

Whenever Font of Natural Essence enters or is put into a graveyard from the battlefield, create two 1/1 green Saproling creature tokens.

{T}: Each opponent loses 1 life.
Whenever you cycle a card or cast a spell with a cycling ability, untap Font of Nefarox.

Font of Sorrows and other permanents you control entering the battlefield cause their death knell to trigger.
Death knell — Draw a card. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)

Whenever Font of Strength enters or is put into a graveyard from the battlefield, target creature you control gets +3/+3 until end of turn.

Any number of target creatures you control each fight target creature with power 3 or greater. (All fight damage happens simultaneously.)

Counter target monocolored spell.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{U}{R}, Exile an instant or sorcery card from your graveyard: Foolhardy Huo gains flying and first strike until end of turn.

Invigorate 2, then target creature you control fights target creature you don't control. (Choose a creature with the least power among creatures you control and put two +1/+1 counters on it.)

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

Target creature gets +2/+2 until end of turn. If that creature has mana value 2 or less, it also gains indestructible until end of turn.

Once each turn, when you cast an instant or sorcery spell, you may exile the top two cards of your library if you cast it for its showcase cost, otherwise, look at the top two cards of your library, then put one on the bottom of your library and exile the other. You may play cards exiled this way until you exile one or more other cards with For the Court of the Queen.

Target creature gets +2/+1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Mill three cards, then return an artifact or creature card from your graveyard to your hand.