msem-instigator

{1}: Look at the top card of your library.
{G}, {T}, Mill a card: Untap another target creature.

Elfcycling {2}{G} ({2}{G}, Discard this card: Search your library for an Elf card, reveal it, and put it into your hand, then shuffle.)

Whenever Elvish Wayfinder enters the battlefield or attacks, reveal the top four cards of your library. You may put a land card that doesn't share a name with a land you control into your hand. Put the rest on the bottom of your library in any order.

Haste
At the beginning of your upkeep, sacrifice Ember of Ancient Infernos unless you pay {R}.

Prowess, haste
When Embercore Grazer enters the battlefield, add {R}{R}{R}. Spend this mana only to cast instant and/or sorcery spells.

Haste, prowess
{3}{R}, {T}, Sacrifice Emberheart Arcanist: Return target instant or sorcery card from your graveyard to your hand.

Colossal 2—{3}{R} (You may cast this for its colossal cost to have it enter with two +1/+1 counters; or pay {3}{R} as a sorcery: Put two +1/+1 counters on it if it has none.)
When Emberhound's colossal ability puts one or more counters on it, target creature can't block this turn.

Haste
Whenever Emblazoned Qilin attacks, it gains flying until end of turn if it's in a pack. (Two or more creatures you control with equal power are in a pack.)

Haste
Other Elementals you control get +1/+0 and have haste.

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.

Trample
Assault {2}{R}{G} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Menace, haste

Flash
When Emissary of Dark Tides enters the battlefield, 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.)

Bloodprice {2}{B} (You may cast this card by sacrificing a creature and paying its bloodprice.)

Artifact creatures you control can't be blocked by nonartifact creatures.
{2}{U}{R}: Put a +1/+1 counter on an artifact creature you control or a progress counter on a Project you control.

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.

Legendary creatures you control get +1/+1.

Flying
Crew 4 (Tap any number of creatures you control with total power 4 or greater: This Vehicle becomes an artifact creature until end of turn.)
Tap two untapped other artifacts you control: Encampment Blimp becomes an artifact creature until end of turn. Scry 1.

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

Exile up to one target activated ability, triggered ability, or nonland permanent.
Coalesce {5}{G}{W}{U} (You may cast this from your graveyard for its coalesce cost. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
End of All Things enters the battlefield tapped.

Flying
When Endmire Raven dies, each opponent loses 2 life and you gain 2 life.

When Endmire Scourer dies, search your library for a card with mana value 4 or less, reveal it, put it into your hand, then shuffle.

First strike
When Engulfing Incubus enters the battlefield, you may submerge target nontoken creature an opponent controls. When Engulfing Incubus is no longer on the battlefield, turn that card face up. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)

Flying
Augmented — Whenever you cast a spell, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, put a +1/+1 counter on Enlightened Guardian. It loses this ability and gains “Whenever this creature attacks, draw two cards.”