Red-Eyes Fang with Chain

Normal Trap

Target 1 "Red-Eyes" monster you control; equip this card to it. It can make up to 2 attacks on monsters during each Battle Phase. You can send this Equip Card to the GY, then target 1 Effect Monster on the field; equip that target to the monster this card was equipped to, and if you do, while a monster is equipped to it by this effect, its ATK/DEF become equal to the original ATK/DEF of that equipped monster.

Rulings – Yugipedia

Printings:

Legendary Duelists: LEDU-EN004 (Ultra Rare) - 2017-09-07
Legendary Duelists: Season 1: LDS1-EN021 (Secret Rare) - 2020-07-02

Prices:

Cardmarket: 6.89 €
TCGplayer: $ 12.09