msem-instigator

At the beginning of combat on your turn, create a 1/1 red Nomad creature token with haste.
At the beginning of your upkeep, if you control five or more creatures, you may transform Emerabi and Sunnula.

Menace, haste

When Emirik Invigilator enters, exile target creature an opponent controls until Emirik Invigilator leaves the battlefield.
Fleeting {W} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Vigilance
When Emirik Patrol enters, create two 1/1 white Human creature tokens.

Flying, haste
Whenever Emissary of Antiquity deals combat damage to a player, you may cast an instant or sorcery spell with mana value 3 or less from your hand without paying its mana cost.

Flash
When Emissary of Dark Tides enters, you may return target noncreature spell or tapped creature to its owner's hand.

Flying, deathtouch
{B}: Emissary of Dreaded Night gets +1/+1 until end of turn. Activate only if Emissary of Dreaded Night is embattled. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

Flying
When Emissary of the Wicked enters, you lose 4 life.
Revive {2}{B}{B} ({2}{B}{B}, 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.)

Deathtouch, lifelink
When Emperor Azuma Hashiro enters, gain control of target creature for as long as you control Emperor Azuma Hashiro.
At the beginning of your upkeep, each opponent loses life equal to the number of permanents you control but don't own.

Vigilance
Art of war — At the beginning of your end step, if Emperor Kenshiro dealt damage to an opponent this turn, you may put a creature card from your hand onto the battlefield tapped.

Empress Kogane can't attack or block.
Whenever an opponent casts a spell, you may gain life equal to that spell's mana value.

Draw four cards.
Metamorph {3}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Create X 1/1 red Soldier creature tokens with haste.

Flying
Whenever Empyrean Griffin attacks, up to one target creature voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Permanents your opponents control can't phase in.

As an additional cost to cast this spell, you may tap
any number of untapped Angels and/or Nephilim you control. This spell costs {1} less to cast for each creature tapped this way.
Flying, vigilance
When Empyrean Scholar enters, each creature tapped to pay its additional cost becomes a 4/4 Angel creature with flying and vigilance. (This effect lasts indefinitely.)

Destroy all nonland, nonenchantment permanents.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you gain 2 life for each permanent destroyed this way.

Untap each creature you control. After this main phase, there is an additional combat phase followed by an additional main phase. At the beginning of your end step, sacrifice each creature you control that attacked this turn.

Whenever Encouraging Bulwark attacks, you may put a +1/+1 counter on each creature you control that's enchanted and/or has one or more counters on it.

Desecrate (When this creature enters, you may sacrifice an artifact or land.)
When Encrusted Sahalia desecrates a permanent, it deals 3 damage to target player.

Choose a nonland permanent type, then destroy all nonland permanents that aren't of the chosen type.

Ward—Sacrifice three permanents.
At the beginning of your end step, put a desperation counter on End of History. Draw two cards for each counter on it, then exile the top three cards of your library for each counter on it.

Each player can't cast more than one spell each turn.
You may cast spells from your hand without paying their mana costs.

Each player discards their hand and sacrifices all permanents they control, draws seven cards, then abounds seven times. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

Destroy all nonenchantment permanents. If thirty or more lands were destroyed this way, you win the game.

Trample
When Endangered Rhino dies, 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.”)