2 cards where the name includes “chainer's”

Chainer's Edict (Dominaria Remastered #78)

Chainer's Edict {1}{B}

Sorcery

Target player sacrifices a creature.

Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Illustrated by Mark Zug

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Chainer's Torment (Dominaria #82)

Chainer's Torment {3}{B}

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II — Chainer’s Torment deals 2 damage to each opponent and you gain 2 life.

III — Create an X/X black Nightmare Horror creature token, where X is half your life total, rounded up. It deals X damage to you.

Illustrated by Vincent Proce

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

Though this query has ended, its relics still slumber in New Argive.