Gravekeeper's Heretic

Level 4 DARK/Spellcaster Effect
1800 ATK / 1500 DEF

This card on the field is unaffected by all other card effects, as long as "Necrovalley" is also on the field.

Legacy of the Valiant: LVAL-EN084 (Rare) - 2014-01-24
2014 Mega-Tin Mega Pack: MP14-EN241 (Rare) - 2014-08-28

Cardmarket: 1.20 €
TCGplayer: $ 0.58