Spoiler warning. This page gives away the puzzle from 30 August 2025. If you have not played it yet, try it first – five guesses, and it is still there.
The dragon lord who protects all dragons from targeting effects.
Type: Effect Monster
Set: 25th Anniversary Ultimate Kaiba Set
CardMarket price: 0.03$
Text: Neither player can target Dragon monsters on the field with card effects.