Houndoom V #21 from Darkness Ablaze is a holo holo_rare card that currently sells for about $2.50 ungraded, with graded copies ranging from $9.00 at grade 7 to $68.00 at grade 10. A grade 10 copy sells for around $68.00, about 27× the $2.50 raw price, so high-grade copies are worth grading.