It's notorious for a few reasons, and unsurprisingly, it's the usual story of scalpers ruining it for Pokmon trainers and collectors, causing chaos to the point that the museum stopped giving out the card
Her Harpy Lady archetype allowed her to quickly summon high-level Wind-Attribute monsters that could easily destroy her opponent's creatures
Cheap burn and evasive creatures help raise speed each turn, while token decks take full advantage of the global buffs
Since Onizuka had captured Earth and Onizuka was in a state of rage, she thoughtlessly said something that would provoke Onizuka, so she had no idea what she could do to Earth, so she had to persuade him carefully
Rattleclaw Mystic will be 5/4
The few fogs Ive seen in Commander have always been hugely impactful, likely because nobody plays around them