Only costing three ink to play, every time this Ursula sings a song, she can essentially sing it twice and then be placed back in the deck rather than discarded
But grading those cards still depends largely on trained professionals examining every scratch, edge, corner, and alignment issue by hand (without transparent insight into the process, of course)
If an effect changes under whose control a token would enter the battlefield, that effect applies after this creature's effect is able to be applied
When it comes to price, this Raikou is one of the most expensive you can find, with LP sales starting at $200, while an NM copy sold just a hair shy of $250
Many offer powerful effects, including some that can be used during your opponent's attack to turn the tides
That's a huge difference