Mega Gardevoir ex #187 from Mega Evolution is a hyper_rare card that currently sells for about $197 ungraded, with graded copies ranging from $138 at grade 7 to $590 at grade 10. TCGrader's AI has graded 20 copies of Mega Gardevoir ex (Mega Evolution), averaging 8.7 overall. 55% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $590, about 3× the $197 raw price, so high-grade copies are worth grading.