Mewtwo #3 from Wizards Black Star Promos is a promo card that currently sells for about $21.84 ungraded, with graded copies ranging from $46.00 at grade 7 to $1,150 at grade 10. TCGrader's AI has graded 5 copies of Mewtwo (Wizards Black Star Promos), averaging 6.6 overall. Only 20% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $1,150, about 53× the $21.84 raw price, so high-grade copies are worth grading.