Fast mana is largely absent, not by choice but by necessity, so groups that frown upon even cards like Sol Ring should have few qualms about the deck
If heads, discard an Energy from your opponents Active Pokmon
Individual characters can have different cards across the rarities, so no one Disney character is singled out as more powerful than any other
This Queen reigns supreme
Assuming each of your opponents has a creature, you get to copy the best one, but then make it bigger depending on the power and toughness of the targets not specifically being copied
I would be fine with them trying a trial unban of something like this, but it was a really powerful card, so it could potentially be bad