Serra the Benevolent #26 from Modern Horizons is a foil mythic card that currently sells for about $3.03 ungraded, with graded copies ranging from $6.00 at grade 7 to $29.00 at grade 10. A grade 10 copy sells for around $29.00, about 9.6× the $3.03 raw price, so high-grade copies are worth grading.