Gideon, Ally of Zendikar #29 from Battle for Zendikar is a mythic card that currently sells for about $4.35 ungraded, with graded copies ranging from $19.99 at grade 9 to $22.00 at grade 9.5. A grade 9.5 copy sells for around $22.00, about 5.1× the $4.35 raw price, so high-grade copies are worth grading.