msem-instigator

Enchant opponent
At the beginning of enchanted player's upkeep, they lose 1 life and each of their opponents gains 1 life.
{4}{B}, Sacrifice Forsaken Shores: Enchanted player loses 3 life and you gain 3 life.

Flying
Whenever a creature in Forsaken Soulherd's pack dies, look at the top card of your library. If it's a creature card with equal or lesser power, you may reveal it and put it into your hand. If you didn't put that card into your hand, you may mill it. (Two or more creatures you control with equal power are in a pack.)

Forsaken Sunseeker gets +1/+1 and has flying as long as it's not your turn.

When Forserval enters, creatures you control get +1/+1 and gain haste until end of turn.

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Whenever Fortunate Exorcist attacks, if it's renowned, exile up to one target card from defending player's graveyard.

At the beginning of each combat, target creature you control gets +3/+3 until end of turn.
Revive {2}{B}{R}{G} ({2}{B}{R}{G}, Exile this card from your graveyard: Create a token that's a copy of this card, except it has no mana cost. Activate this ability only any time you could cast a sorcery.)

Menace
When Fortune Hoarder dies, each player discards a card at random.

Each player discards their hand. Draw up to two hands of seven cards. Shuffle all but one of your hands into your library. Each other player draws seven cards.

When Foster the Future enters, create a 3/3 red Panda creature token.
Panda creatures and Mao planeswalkers you control have “+2: Target creature you control gains vigilance until end of turn” and “-4: Creatures you control get +1/+1 and gain trample until end of turn.”

Flying
When Foul Drifter enters, target creature gets -1/-1 until end of turn.

Flying
When Foul Vulture enters, create a 1/1 red Hound creature token.
Foul Vulture gets +1/+0 as long as a creature you controlled died this turn.

Spells with mana value 2 or less cost {1} more to cast.
Spells with mana value 4 or greater cost {1} less to cast.

Haste

Deathtouch
Attacking creatures you control with deathtouch get +2/+0.

Look at the top four cards of your library. Put two of them into your hand and the rest into your graveyard.
{4}{U}{B}, Exile four other cards from your graveyard: Return Fourth Eye Dealings from your graveyard to your hand.

Other Foxes you control get +1/+1.
{2}{W}: Target Fox you control gains lifelink until end of turn.

At the beginning of your end step, if a creature you controlled died this turn, put a +1/+1 counter on Fox of an Amber Dawn.

Fox of the Fallen Forest gets +4/+0 as long as you control a legendary creature.

When Fox of the Juniper Vale enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

When Fox of the Molten Dawn enters, you may return target Aura card with mana value 3 or less from your graveyard to the battlefield attached to a permanent it could enchant.

When Fox of the Sunset Legion enters, create two 1/1 white Fox Spirit creature tokens.

{T}, Sacrifice an artifact or creature: Fracking Factory deals 2 damage to each opponent. Activate only as a sorcery.

Draw three cards, then discard a card.

Choose any target. Change the text of target instant or sorcery spell to “This spell deals 3 damage to the chosen target. Draw a card.”

Flying
Whenever you cast a spell with mana value 4 or greater, sacrifice Fractured Prodigy. If you do, create two tokens that are copies of Fractured Prodigy.