Ⓢ Cannot be Normal Summoned/Set.
Ⓢ Must be Special Summoned (from hand) by having 4 or more "Lightsworn" monsters with different names in your GY.
① You can pay 1000 LP;
destroy all other cards on the field.
② During your End Phase:
Send the top 4 cards of your Deck to the GY.
(Activate & Resolve only if face-up on the field).
● If “Book of Moon” is chained to this card’s ① effect, this card doesn’t destroy itself.