msem-instigator

{T}: You may tap or untap another target permanent.
Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Draw a card. Activate only if you created a token this turn.

Faux, Who Lives for the Hunt enters as a copy of a creature card in your graveyard except it's legendary and has changeling and “When this creature dies, if it didn't have a bounty counter on it, return it to the battlefield with a bounty counter.” (It has “When this creature dies, each opponent draws a card” as long as it has a bounty counter on it.)

Whenever you draw your second card each turn, draw a card.

Whenever you cast a spell that doesn't share a color with Feathered Warden, you may gain 1 life.

Armed — Fellor Elite has double strike as long as it's equipped.

Double strike
When Fencing Tutor enters, create a 0/1 white Soldier creature token with double strike.

Wanderlust — Feral Ornithax gets +2/+2 and has trample as long as you control four or more differently named lands.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Festering Waif enters, each opponent mills two cards.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Festive Servitor gets +1/+1 for each color among spells you've cast this turn.
{2}: Add one mana of any color.

{B}: Fetid Nibbler gains deathtouch until end of turn.

When Fidelity of the Pure dies, create a 1/1 green and white Elk Spirit creature token.
Revive {2}{W} ({2}{W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever Field Chaplain perseveres, you gain 3 life. (A creature perseveres when it survives damage.)

You may play lands from your graveyard.
Whenever a land you control enters, create a 1/1 white Peasant creature token.

Haste

{R}, Sacrifice Firebelly Toad: It deals 3 damage to target player or planeswalker.

Flash
When Fireshaper Adept enters, copy up to one target activated or triggered ability. You may choose new targets for the copy.

When Flame Ascetic enters, you may exile up to one instant card and up to one sorcery card from your graveyard. Put a +1/+1 counter on Flame Ascetic for each card exiled this way.

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

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

{3}{B}: Regenerate Flesh Hoarder Ghoul. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

When Fleshcage Shambler dies, create a 2/2 colorless Spirit creature token.

Fleshcrawler gets +1/+0 for each player that has lost life this turn.

At the beginning of your upkeep, if you have more life than an opponent, create a 1/1 black Insect Spirit creature token with flying.
{3}{B}: Each opponent loses X life and you gain X life, where X is the number of Clerics you control.