You can only activate this card while "Ojama Green", "Ojama Yellow" and "Ojama Black" are face-up on your side of the field. Destroy all cards on your opponent's side of the field.
Rulings
Individual Card FAQs
If your opponent chains "Ring of Destruction" or "Book of Moon" to "Ojama Delta Hurricane!!", and one of the Ojamas is destroyed or flipped face-down, "Ojama Delta Hurricane!!"'s effect still resolves.
Spell|
Normal