Mega Lucario ex #188 from Mega Evolution is a holo hyper_rare card that currently sells for about $234 ungraded, with graded copies ranging from $194 at grade 7 to $330 at grade 10. TCGrader's AI has graded 7 copies of Mega Lucario ex (Mega Evolution), averaging 8.5 overall. 43% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $330 vs $234 raw. That's a modest premium, so grading only pays off for near-perfect copies.