Eiscue ex #210 from Obsidian Flames is a holo ultra_rare card that currently sells for about $2.37 ungraded, with graded copies ranging from $9.50 at grade 7 to $29.90 at grade 10. A grade 10 copy sells for around $29.90, about 13× the $2.37 raw price, so high-grade copies are worth grading.