Tengu format ruling
Ocean Dragon Lord - Neo-Daedalus
Card effect (current official text)This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by Tributing 1 "Levia-Dragon - Daedalus". You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard, except this card.
Rulings
- The only way you can Special Summon this card is via its own procedure. Even if it was initially summoned that way, you still can't summon it with card effects.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.