Gardevoir-EX #116 from Steam Siege is a rare card that currently sells for about $80.35 ungraded, with graded copies ranging from $108 at grade 7 to $2,358 at grade 10. TCGrader's AI has graded 5 copies of Gardevoir-EX (Steam Siege), averaging 8.5 overall. 40% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $2,358, about 29× the $80.35 raw price, so high-grade copies are worth grading.