Blight Curse

In the tight-knit doun of Mistmeadow, death is less important than duty.

Persist

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

Persistent Constrictor

At the beginning of each opponent's upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Persistent Marshstalker

This creature gets +1/+0 for each other Rat you control.
Threshold — Whenever you attack with one or more Rats, if there are seven or more cards in your graveyard, you may pay {2}{B}. If you do, return this card from your graveyard to the battlefield tapped and attacking.

"The jaw bone's connected to the skull bone. The skull bone's connected to the . . . uh . . . hook thingy."
—Garl, stitcher's assistant

Persistent Specimen

{2}{B}: Return this card from your graveyard to the battlefield tapped.

Persistent Petitioners

{1}, {T}: Target player mills a card. (They put the top card of their library into their graveyard.)
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.

Virtue of Persistence // Locthwain Scorn

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

Vivi's Persistence

Create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent."
Whenever your commander enters or attacks, you may pay {2}. If you do, return this card from your graveyard to your hand.

Startled Awake // Persistent Nightmare

Target opponent mills thirteen cards.
{3}{U}{U}: Put this card from your graveyard onto the battlefield transformed. Activate only as a sorcery.

"I paid a price to one I will not name to escape the abyss. A bit of my soul for a second chance. And I'd do it again, and again—until I had no soul left to trade."
—Tinua, Skirsdag cultist

Action: Show a kithkin (see pg. 28) emerging from under the ground where he was buried.