Dialga-EX #122 from Phantom Forces is a holo rare card that currently sells for about $584 ungraded, with graded copies ranging from $976 at grade 7 to $65,000 at grade 10. TCGrader's AI has graded 4 copies of Dialga-EX (Phantom Forces), averaging 7 overall. A grade 10 copy sells for around $65,000, about 111× the $584 raw price, so high-grade copies are worth grading.