Scream Tail #42 from Prismatic Evolutions is a reverse holo uncommon card that currently sells for about $0.26 ungraded, with graded copies ranging from $8.00 at grade 9 to $8.50 at grade 10. A grade 10 copy sells for around $8.50, about 33× the $0.26 raw price, so high-grade copies are worth grading.