Spoiler warning. This page gives away the puzzle from 25 September 2025. If you have not played it yet, try it first – five guesses, and it is still there.
A synchro dragon that can destroy all cards on the field when summoned.
Type: Synchro Monster
Set: 25th Anniversary Tin: Dueling Heroes
CardMarket price: 0.19$
Text: 1 Tuner + 1+ non-Tuner monsters
When this card is Synchro Summoned: You can destroy all cards on the field. Once per turn: You can banish 1 Plant monster from your GY, then target 1 Defense Position monster your opponent controls; change that target to face-up Attack Position, and if you do, its ATK becomes 0 until the end of this turn.