Dragonlord Atarka #216 from Dragons of Tarkir is a foil mythic card that currently sells for about $11.45 ungraded, with graded copies ranging from $49.99 at grade 9 to $155 at grade 10. A grade 10 copy sells for around $155, about 14× the $11.45 raw price, so high-grade copies are worth grading.