Advanced format ruling
Great Moth
Card effect (current official text)This monster cannot be Normal Summoned or Set. This card can only be Special Summoned by Tributing "Petit Moth" during your 4th turn after "Petit Moth" has been equipped with "Cocoon of Evolution".
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.