Grave Ohja

Level 4 EARTH/Rock Effect Monster
1600 ATK / 1500 DEF

While there is a face-down Defense Position monster(s) on your side of the field, no player can select this card as an attack target. Each time a monster on your side of the field is Flip Summoned, inflict 300 damage to your opponent.

Rulings – Yugipedia

Printings:

The Lost Millennium: TLM-EN017 (Rare) - 2005-06-01
The Lost Millennium: TLM-EN017 (Ultimate Rare) - 2005-06-01
Dark Revelation Volume 3: DR3-EN197 (Rare) - 2006-11-25

Prices:

Cardmarket: 0.16 €
TCGplayer: $ 0.31