You have to sacrifice part of the tanking strategy upon which the deck is constructed for the sake of a greater offense, which can certainly be situationally worth it, but not always
When I cast it, we can forget about all the other plot twists (the card is in exile, I can cast it for free, I must cast it at sorcery speed, etc.) and the only thing that matters is that I'm indeed casting it
For starters, having to discard an energy from hand could work with decks like Ceruledge ex that benefit from having energy in the discard
As the manga uses this onomatopoeia with comical frequency, its appropriate that Don!! is equally prevalent in the card game
Its cheap, you can split the payment across multiple turns, and any deck can exploit it due to its colorless identity
Chaos Twister has a lot of potential, from being used as a damage spell that can hit multiple units, from being a removal spell can potentially banish a target, from winning the game in an exciting manner