Houndour #204 from Obsidian Flames is a holo illustration_rare card that currently sells for about $6.06 ungraded, with graded copies ranging from $8.50 at grade 7 to $84.00 at grade 10. A grade 10 copy sells for around $84.00, about 14× the $6.06 raw price, so high-grade copies are worth grading.