Yveltal-EX #144 from XY is a rare card that currently sells for about $42.14 ungraded, with graded copies ranging from $99.95 at grade 7 to $951 at grade 10. TCGrader's AI has graded 4 copies of Yveltal-EX (XY), averaging 8 overall. 50% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $951, about 23× the $42.14 raw price, so high-grade copies are worth grading.