Supreme King Dragon Clear Wing

Level 8 DARK/Dragon Synchro Effect
2500 ATK / 2000 DEF

1 Tuner + 1+ non-Tuner DARK Pendulum Monsters
If this card is Synchro Summoned: You can destroy all face-up monsters your opponent controls. Once per turn, before damage calculation, if this card battles an opponent's monster: You can destroy that monster, and if you do, inflict damage to your opponent equal to the destroyed monster's original ATK. If this card is in your GY: You can Tribute 2 "Supreme King Dragon" monsters; Special Summon this card.

Rulings – Yugipedia

Printings:

Code of the Duelist: COTD-EN039 (Rare) - 2017-08-03
Legendary Dragon Decks: LEDD-ENC30 (Common) - 2017-10-05
Maze of Millennia: MZMI-EN059 (Rare) - 2024-01-18

Prices:

Cardmarket: 0.04 €
TCGplayer: $ 0.19