Ultimate Obedient Fiend

Level 10 FIRE/Fiend Effect
3500 ATK / 3000 DEF

This card can only attack if this card is the only card on your side of the field and if you also have no cards in your hand. The effects of Effect Monsters that this card destroys are negated.

Rulings – Yugipedia

Printings:

Magician's Force: MFC-082 (Short Print) - 2003-10-10
Dark Revelation Volume 1: DR1-EN137 (Common) - 2005-03-19

Prices:

Cardmarket: 0.02 €
TCGplayer: $ 0.57