Maybe a card idea gets filed and sticks forever, maybe it gets tweaked in playtesting, or maybe it gets cut completely. In the final Play Design Stage, a separate Wizards of the Coast team with a background in competitive Magic vets the nearly complete set for its competitive elements, sending back proposed changes to fix any balance issues
NoDracogenius wants you to get aggressive and smash face
Compounding the issue is stock itself
It has the same moveset as the Special Illustration Rare: Slash for [CC] is a simple 50damage option when you are getting set up, and Voltage Burst for [LLC] scales aggressively with how many Prize cards your opponent has taken
Treat misspelled cards with caution, though, as they could also be indicative of a fake
Rainbow Dragon has 4000 ATK, which meant game over in the Yu-Gi-Oh