Team Magma's Groudon-EX #15 from Double Crisis is a holo rare card that currently sells for about $258 ungraded, with graded copies ranging from $540 at grade 7 to $24,000 at grade 10. TCGrader's AI has graded 5 copies of Team Magma's Groudon-EX (Double Crisis), averaging 7.7 overall. A grade 10 copy sells for around $24,000, about 93× the $258 raw price, so high-grade copies are worth grading.