msem-instigator

Create a 4/4 black Demon creature token with flying. You lose 3 life for each Demon you control.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Flying
When Derevi's Adjutant enters, put a +1/+1 counter on each other creature you control.
Cycling {2} ({2}, Discard this card: Draw a card.)
When you cycle Derevi's Adjutant, exile it. You may cast it from exile for as long as it remains exiled.

Assault {1}{B} (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.)
Whenever a creature you control assaults, you may have target creature get -2/-2 until end of turn.

Whenever a creature you control assaults, put a +1/+1 counter on Devoted Nomad.

Surveil 1. You draw a card and you lose 1 life. (To surveil 1, look at the top card of your library. You may put that card into your graveyard.)
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Return target nonland permanent to its owner's hand.

Return up to one target creature to its owner's hand. Draw a card.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Mill five cards. Return any number of cards with cycling abilities milled this way to your hand.
Cycling {2} ({2}, Discard this card: Draw a card.)

Lifelink
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Dominate the Desert enters, create a 3/3 green Elephant creature token with trample.
Whenever a creature you control assaults, you may return Dominate the Desert to its owner's hand.

When Dominator's Diadem enters, you gain 3 life.
{2}{W}, {T}: Tap target creature.

Equipped creature has first strike.
Whenever another creature you control dies, put a +1/+1 counter on equipped creature.
Equip {2}

Return up to one target creature card from your graveyard to the battlefield tapped. You gain 2 life.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

When Dregscape Wretch dies, create a 2/2 black Zombie creature token.

Assault {1}{R} (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.)
Whenever a creature you control assaults, creatures you control get +1/+0 until end of turn.

Assault {1}{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.)
When Dune Tromper assaults, it gains trample until end of turn.

At the beginning of your upkeep, choose one —
• Create a colorless artifact token named Etherium Cell with “{T}, Sacrifice this artifact: Add one mana of any color.”
• Put a +1/+1 counter on another target artifact. It becomes a 0/0 Construct artifact creature if it isn't a creature.

When Earthbreaker Behemoth enters, it deals damage equal to its power to up to one target creature you don't control. Excess damage is dealt to that creature's controller instead.

[+2]: You may discard a card. If you do, draw two cards.
[–3]: Return target creature card from your graveyard to the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.
[–7]: Discard your hand, then draw seven cards. You may put an Edarna planeswalker card from your hand or graveyard onto the battlefield.

Flying, haste
{2}{B}{R}: Return Edarna's Augurling from your graveyard to the battlefield. Return it to your hand at the beginning of the next end step. Activate only as a sorcery.

Defender
Civilized — {T}: Edge of the Empires deals 1 damage to each opponent. Activate only if you control an artifact, a creature, and an enchantment.

Flying
Civilized — Whenever Edifice Overseer attacks, if you control an artifact, a creature, and an enchantment, other attacking creatures you control gain flying until end of turn.

Whenever Ekebram the Scholar becomes untapped, draw a card.
Whenever you draw your third card each turn, you may transform Ekebram.

{1}, {T}: Draw a card, then exile a card from your hand face down.
You may look at cards exiled with Ekebram's Archive.
{4}, {T}, Sacrifice Ekebram's Archive: Return all cards exiled with Ekebram's Archive to their owner's hand.

When Ekebram's Scribe enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)