Eiscue ex #210 from Obsidian Flames is a holo ultra_rare card that currently sells for about $2.29 ungraded, with graded copies ranging from $6.00 at grade 7 to $44.99 at grade 10. A grade 10 copy sells for around $44.99, about 20× the $2.29 raw price, so high-grade copies are worth grading.