Ethan's Adventure #221 from Destined Rivals is a holo ultra_rare card that currently sells for about $4.09 ungraded, with graded copies ranging from $11.00 at grade 7 to $35.90 at grade 10. A grade 10 copy sells for around $35.90, about 8.8× the $4.09 raw price, so high-grade copies are worth grading.