Patroid

Level 4 EARTH/Machine Effect
1200 ATK / 1200 DEF

Once per turn, during your Main Phase, you can look at 1 face-down card your opponent controls, then return it to its original position.

Rulings – Yugipedia

Printings:

Cybernetic Revolution: CRV-EN006 (Common) - 2005-08-17
Starter Deck: Syrus Truesdale: YSDS-EN013 (Common) - 2007-07-25
Dark Revelation Volume 4: DR04-EN006 (Common) - 2007-11-14

Prices:

Cardmarket: 0.06 €
TCGplayer: $ 0.12