Type

Legendary Creature — Phyrexian Praetor

Oracle Text

Menace\nWhen Sheoldred enters, each opponent sacrifices a nontoken creature or planeswalker of their choice.\n{4}{B}: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard.