History of Benalia #21 from Dominaria is a foil mythic card that currently sells for about $2.56 ungraded, with graded copies ranging from $8.39 at grade 7 to $11.99 at grade 8. A grade 8 copy sells for around $11.99, about 4.7× the $2.56 raw price, so high-grade copies are worth grading.