Ryme #221 from Obsidian Flames is a holo ultra_rare card that currently sells for about $1.87 ungraded, with graded copies ranging from $4.00 at grade 7 to $39.99 at grade 10. A grade 10 copy sells for around $39.99, about 21× the $1.87 raw price, so high-grade copies are worth grading.