Sylveon-GX #158 from Guardians Rising is a rare card that currently sells for about $130 ungraded, with graded copies ranging from $85.67 at grade 7 to $955 at grade 10. TCGrader's AI has graded 4 copies of Sylveon-GX (Guardians Rising), averaging 7.7 overall. A grade 10 copy sells for around $955, about 7.3× the $130 raw price, so high-grade copies are worth grading.