Black Sun's Twilight (ONE 84)

Instant • Mana cost: {X}{B} • Phyrexia: All Will Be One • Rare

Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped.

"Where once there was complacence, Sheoldred brought ambition, and soon the will of Yawgmoth reigned."
—Monument inscription

Illustrated by Jonas De Ro.