Ethan's Adventure #221 from Destined Rivals is a ultra_rare card that currently sells for about $3.84 ungraded, with graded copies ranging from $11.00 at grade 7 to $21.29 at grade 10. A grade 10 copy sells for around $21.29, about 5.5× the $3.84 raw price, so high-grade copies are worth grading.