大いなる過ち、ウチベンバク/Uchbenbak, the Great Mistake

LegendaryCreature - Skeleton/Horror
Vigilance, menace <CR>
Descend 8 --- {4}{U}{B}: Return Uchbenbak, the Great Mistake from your graveyard to the battlefield with a finality counter on it. Activate only if there are eight or more permanent cards in your graveyard and only as a sorcery. (If a creature with a finality counter on it would die, exile it instead.)

LegendaryCreature - Skeleton/Horror
Vigilance, menace <CR>
Descend 8 --- {4}{U}{B}: Return this card from your graveyard to the battlefield with a finality counter on it. Activate only if there are eight or more permanent cards in your graveyard and only as a sorcery. (If a creature with a finality counter on it would die, exile it instead.)