Gideon of the Trials #14 from Amonkhet is a mythic card that currently sells for about $2.95 ungraded, with graded copies ranging from $5.50 at grade 9 to $6.00 at grade 9.5. A grade 9.5 copy sells for around $6.00, about 2× the $2.95 raw price, so high-grade copies are worth grading.