Gengar & Mimikyu-GX #186 from Team Up is a rare card that currently sells for about $374 ungraded, with graded copies ranging from $355 at grade 7 to $3,888 at grade 10. TCGrader's AI has graded 5 copies of Gengar & Mimikyu-GX (Team Up), averaging 8.5 overall. 60% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $3,888, about 10× the $374 raw price, so high-grade copies are worth grading.