Cruel Celebrant #188 from War of the Spark is a uncommon card that currently sells for about $13.99 ungraded, with graded copies ranging from $19.99 at grade 9 to $22.00 at grade 9.5. A grade 9.5 copy sells for around $22.00 vs $13.99 raw. That's a modest premium, so grading only pays off for near-perfect copies.