Mega Abomasnow ex #157 from Mega Evolution is a ultra_rare card that currently sells for about $2.93 ungraded, with graded copies ranging from $17.75 at grade 9 to $36.00 at grade 10. A grade 10 copy sells for around $36.00, about 12× the $2.93 raw price, so high-grade copies are worth grading.