Worm Erokin

Level 6 LIGHT/Reptile Effect Monster
2400 ATK / 1200 DEF

This card cannot be Special Summoned. Once per turn, select 1 face-up Reptile-Type "Worm" monster on the field and change it to face-down Defense Position.

Rulings – Yugipedia

Printings:

Hidden Arsenal: HA01-EN021 (Secret Rare) - 2009-11-05
Duel Terminal 1: DT01-EN030 (Duel Terminal Super Parallel Rare) - 2010-01-29

Prices:

Cardmarket: 0.28 €
TCGplayer: $ 0.26