Mega Charizard Y ex #294 from Ascended Heroes is a hyper_rare card that currently sells for about $451 ungraded, with graded copies ranging from $398 at grade 7 to $800 at grade 10. TCGrader's AI has graded 73 copies of Mega Charizard Y ex (Ascended Heroes), averaging 8.5 overall. 44% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $800 vs $451 raw. That's a modest premium, so grading only pays off for near-perfect copies.