Marnie's Grimmsnarl ex #287 from Ascended Heroes is a illustration_rare card that currently sells for about $69.58 ungraded, with graded copies ranging from $105 at grade 7 to $138 at grade 10. TCGrader's AI has graded 7 copies of Marnie's Grimmsnarl ex (Ascended Heroes), averaging 8.8 overall. 57% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $138, about 2× the $69.58 raw price, so high-grade copies are worth grading.