Mega Charizard X ex #125 from Phantasmal Flames is a holo illustration_rare card that currently sells for about $729 ungraded, with graded copies ranging from $638 at grade 7 to $675 at grade 10. TCGrader's AI has graded 121 copies of Mega Charizard X ex (Phantasmal Flames), averaging 8.6 overall. 50% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $675 vs $729 raw. That's a modest premium, so grading only pays off for near-perfect copies.