For example, if you control an Omnath, Locus of Creation and make a nonlegendary copy of it with Irenicus's Vile Duplication, you can use regular copy effects on the new token to skirt the legend rule
And, sadly, most support for Spirit Monsters is aimed at bypassing their unique mechanic rather than supporting the mechanic
Having the option of turning your random value artifact into an attacker gives it a greater breadth of targets since it can copy things that want to attack as well as cards with strong static abilities
But, it is a Wolf, which could be relevant when Innistrad arrives in a couple months, and the enchantment does so much else that you can afford a less exciting creature
Conclusion: Is it Worth Grading Pokemon Cards Whether youre looking to increase the value of your cards, or simply protect them, I believe grading Pokemon cards is indeed worth it