Houndoom #H11 from Skyridge is a holo holo_rare card that currently sells for about $422 ungraded, with graded copies ranging from $1,370 at grade 7 to $30,000 at grade 10. TCGrader's AI has graded 3 copies of Houndoom (Skyridge), averaging 7 overall. A grade 10 copy sells for around $30,000, about 71× the $422 raw price, so high-grade copies are worth grading.