Samut, the Tested #144 from Hour of Devastation is a mythic card that currently sells for about $1.30 ungraded and around $6.49 at grade 7. A grade 7 copy sells for around $6.49, about 5× the $1.30 raw price, so high-grade copies are worth grading.
Price by Grade
Recent market prices for graded copies of Samut, the Tested
Grade
Market Price
vs Raw
7
$6.49
5×
Raw (ungraded)
$1.30
1×
Worth grading? A grade 7 copy sells for around $6.49, about 5× the $1.30 raw price, so high-grade copies are worth grading.