Greninja-GX #133 from Forbidden Light is a rare card that currently sells for about $76.92 ungraded, with graded copies ranging from $47.00 at grade 7 to $721 at grade 10. TCGrader's AI has graded 5 copies of Greninja-GX (Forbidden Light), averaging 6.4 overall. A grade 10 copy sells for around $721, about 9.4× the $76.92 raw price, so high-grade copies are worth grading.