Overlord of the Mistmoors #23 from Duskmourn: House of Horror is a foil mythic card that currently sells for about $99.15 ungraded, with graded copies ranging from $72.50 at grade 9 to $244 at grade 10. A grade 10 copy sells for around $244, about 2.5× the $99.15 raw price, so high-grade copies are worth grading.