Hero Ring

Normal Trap

Target 1 Warrior-Type monster with 1500 or less ATK; equip this card to that target. Monsters your opponent controls with 1900 or more ATK cannot attack that target.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! GX Duel Academy promotional cards: GX1-EN003 (Super Rare) - 2006-01-10
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN110 (Super Rare) - 2011-10-04
Speed Duel GX: Midterm Paradox: SGX2-ENA19 (Common) - 2022-10-06

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.14