msem-instigator

Vigilance
When Envoy of Karametra enters, for each kind of counter on target permanent, put another counter of that kind on it or remove one from it.

Indestructible
As long as your devotion to white and blue is less than seven, Ephara isn't a creature.
You may cast creature and enchantment spells as though they had flash.
Whenever another creature or enchantment you control enters, you gain 1 life.

Indestructible
As long as your devotion to black is less than five, Erebos isn't a creature.
Other creatures you control dying causes abilities of that creature to trigger as though it entered.
{2}{B}: Each opponent loses 1 life. You gain life equal to the life lost this way.

Once each turn, when Eruq, the Flamebearer enters or you attack with one or more Horrors, you may have Eruq deal 2 damage to each opponent. Then if Eruq isn't a token, gain control of target creature an opponent controls until end of turn. Tap it. It's attacking its controller.
{2}{R}{R}, Discard Eruq: Create a token that's a copy of Eruq, the Flamebearer, except it's 4/4 and isn't legendary. Activate only as a sorcery.

All damage that would be dealt to you is dealt to Escyf, Fallen Sundancer instead.
Whenever Escyf perseveres, put a +1/+1 counter on it. (A creature perseveres when it survives damage.)

Embellish {6}{U} (If you cast this spell for {6}{U}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)
Whenever you attack, return any number of nonland permanents with different controllers and mana value less than or equal to the number of artifacts you control to their owners' hands.

Vigilance
{W}{U}: Each creature you control assigns combat damage equal to its toughness rather than its power this turn.

This spell costs {1} less to cast for each tapped creature your opponents control.
{5}{U}: Evigian Titan can't be blocked this turn.

When Eyes in Orbit enters, you may exile another target permanent you control. Return that card to the battlefield under your control at the beginning of the next end step.

Trample
Noncreature spells cost an additional “Put a noncreature permanent you both own and control on top of your library” to cast.

When Fabled Chishou enters, create a token that's a copy of it, except it doesn't have this ability.
At the beginning of each end step, if Fabled Chishou isn't in a pack, sacrifice it. (Two or more creatures you control with equal power are in a pack.)

Desecrate (When this creature enters, you may sacrifice an artifact or land.)
When Facsimile Sculptor desecrates a permanent, create a token that's a copy of another target creature you control, except it's an artifact (not a creature).

Flying, lifelink
When Facsimile of Divinity enters, it deals 4 damage to any target.

At the beginning of your upkeep, create a 1/1 white Soldier creature token.
{1}{G}{W}: Create a 1/1 white Soldier creature token. Activate only during your upkeep and only if Faith is in your graveyard.

Flying, vigilance
At the beginning of your end step, return up to one target creature card from your graveyard to the battlefield. If a creature isn't returned this way, create a 4/4 Elemental creature token that's all colors.

Flying, lifelink
Fallen Celestial can't block or be blocked by Angels, Demons, or Faeries.
At the beginning of each opponent's upkeep, that player loses 1 life and creates a 1/1 black Faerie creature token with flying.

This spell costs {1} less to cast for each permanent sacrificed this turn.
Fallen Sluagh can't be blocked by creatures with power 2 or less.

Fang Den Bouncer can't be blocked by creatures with power 2 or less.

Flying, lifelink

Flying, vigilance, indestructible
Faradia, Honored Sovereign can't attack or block unless you tap three other untapped creatures and/or artifacts you control.

This spell can't be countered.
Ward {3}
{W}, Exile Fearsome Xenoblossom from your graveyard: You gain 4 life.

Flying, first strike, lifelink

Haste
Menace (This creature can't be blocked except by two or more creatures.)
{4}{R}{R}: Ferocious Desert-Hunter gets +X/+0 until end of turn, where X is its power.

When Fiend of Convenience enters, destroy target creature an opponent controls.
Whenever Fiend of Convenience attacks, each opponent loses 3 life.

Whenever Firefall Praetorians attacks, exile the top card of your library then copy it. You may play the copy and/or the exiled card.