Mega Lucario ex #188 from Mega Evolution is a holo hyper_rare card that currently sells for about $248 ungraded, with graded copies ranging from $163 at grade 7 to $275 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 $275 vs $248 raw. That's a modest premium, so grading only pays off for near-perfect copies.