Defender of the Ice Barrier

Level 3 WATER/Aqua Tuner Effect
200 ATK / 1600 DEF

While you control another face-up "Ice Barrier" monster, monsters your opponent controls cannot declare an attack if their ATK is greater than or equal to this card's DEF.

Rulings – Yugipedia

Printings:

Duel Terminal 4: DT04-EN032 (Duel Terminal Rare Parallel Rare) - 2011-01-25
Hidden Arsenal 4: Trishula's Triumph: HA04-EN022 (Super Rare) - 2011-04-15
Structure Deck: Freezing Chains: SDFC-EN009 (Common) - 2021-02-18
Hidden Arsenal: Chapter 1: HAC1-EN043 (Common) - 2022-02-24
Hidden Arsenal: Chapter 1: HAC1-EN043 (Duel Terminal Normal Parallel Rare) - 2022-02-24

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.10