Naganadel & Guzzlord-GX #224 from Cosmic Eclipse is a rare card that currently sells for about $94.32 ungraded, with graded copies ranging from $37.21 at grade 7 to $304 at grade 10. A grade 10 copy sells for around $304, about 3.2× the $94.32 raw price, so high-grade copies are worth grading.