As for the card, Mana Vault is a Commander staple that allows you to propel on mana with little effort
Flip walkers are handy, since the "may" clause in his trigger means you have a bit more control over when you actually want him to be a Planeswalker, and having a force multiplier and way to defend himself built is a really great touch
There are drawbacks to Hypergenesis as well, like needing to fill your deck with super-expensive cards that you aren't going to be able to cast fairly if your opponent can shut down your plan of cascading into Hypergenesis, which is a real risk in a format where Teferi, Time Raveler, Chalice of the Void, and Force of Negation are among the most played cards in the format
This can become a Voltron commander surprisingly fast with cards like Temur Battle Rage and Chandra's Ignition
Meowscarada ex [Paldea Evolved] is the only new starter Pokemon ex with an Ability and Magic Bouquet seems to take a cue from Decidueye-GX [Sun and Moon Base Set] by placing damage counters
Whether the resulting coin flip results in an upset or not, someone is probably getting a great story out of the play
