M Gengar-EX #121 from Phantom Forces is a holo rare card that currently sells for about $177 ungraded, with graded copies ranging from $317 at grade 7 to $9,201 at grade 10. TCGrader's AI has graded 6 copies of M Gengar-EX (Phantom Forces), averaging 7.4 overall. A grade 10 copy sells for around $9,201, about 52× the $177 raw price, so high-grade copies are worth grading.