Narset, Enlightened Master #190 from Khans of Tarkir is a foil mythic card that currently sells for about $3.83 ungraded, with graded copies ranging from $20.57 at grade 7 to $29.99 at grade 8. A grade 8 copy sells for around $29.99, about 7.8× the $3.83 raw price, so high-grade copies are worth grading.