Dark Highlander

Level 7 DARK/Fiend Synchro Effect
2800 ATK / 2300 DEF

1 Fiend-Type Tuner + 1 or more non-Tuner Fiend-Type monsters
Neither player can Synchro Summon. Once per turn: You can target 1 monster your opponent controls that is equipped with an Equip Card; destroy all Equip Cards equipped to that monster, and if you do, inflict 400 damage to your opponent for each card destroyed.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! 5D's Volume 1 promotional card: YF01-EN001 (Ultra Rare) - 2011-07-06
Collectible Tins 2012 Wave 1: CT09-EN007 (Super Rare) - 2012-08-10

Prices:

Cardmarket: 0.28 €
TCGplayer: $ 0.21