msem-instigator

Haste
{R}, Sacrifice Deepstone Operative: Destroy target artifact.

Reach (This creature can block creatures with flying.)
Whenever Deepwood Spider blocks a creature with flying, Deepwood Spider gains deathtouch until end of turn.

When Defiler of Farmsteads enters, each opponent loses 2 life and you gain 2 life.

Flying

Flash
When Dehmi, Origin Seeker enters, counter target spell an opponent controls unless that spell's controller has you create X 1/1 red Elemental creature tokens, where X is that spell's mana value.

Enchant non-Camel creature
When Dehydrate enters, draw a card.
Enchanted creature gets -1/-0.

When Delugic Surger enters, if you control another Elemental, return target instant or sorcery card from your graveyard to your hand.

Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
You may sacrifice any number of artifacts. If you do, draw that many cards.

Menace
When Depraved Archknight enters, each opponent may pay 7 life. For each player that doesn't, you draw seven cards.

Create a 3/3 green Elk creature token.
Scry X, where X is the number of Elk you control, then draw a card.
Revive {6}{G} ({6}{G}, 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.)

As Deserted Trail enters, you may reveal a Swamp or Forest card from your hand. If you don't, Deserted Trail enters tapped.
{T}: Add {B} or {G}.

Desiccated Trail enters tapped unless you control another Desert.
{T}: Add {W} or {B}.

Once each turn, when you foretell a card or cast a foretold spell, you may create a 1/1 blue Rogue creature token.
{1}{U}{B}: Draw a card, then discard a card.

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.

Counter target spell unless its controller pays {3}. If you own a foretold card in exile, counter that spell unless its controller pays {6} instead.

Determined Chevalier has vigilance as long as it's embattled. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

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

As Dha-Bukan enters, choose a basic land type. You may reveal a Desert card from your hand. If you don't, Dha-Bukan enters tapped.
Deserts you control are the chosen type in addition to their other land types.

Concord — {T}, Sacrifice Disciple of Destruction: Destroy target nonland permanent. Activate only if there are four or more card types among permanents you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
Create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
Sacrifice three artifacts.
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Foretell {3}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Each opponent discards three cards.

Whenever Disenfranchised Blacksmith attacks, other Citizens and Peasants you control get +1/+0 until end of turn.

This spell costs {1} less for each Pirate and/or Rogue you control.
Counter target spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

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.)

Destroy target attacking or blocking creature.