M Gardevoir-EX #RC31 from Generations is a holo rare card that currently sells for about $75.17 ungraded, with graded copies ranging from $98.17 at grade 7 to $2,947 at grade 10. TCGrader's AI has graded 10 copies of M Gardevoir-EX (Generations), averaging 8.4 overall. 30% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $2,947, about 39× the $75.17 raw price, so high-grade copies are worth grading.