Gravekeeper's Ambusher

Level 4 DARK/Spellcaster Effect Monster
1700 ATK / 0 DEF

When this card is flipped face-up: You can target 1 card in your opponent's GY; place that target on the bottom of their Deck. If this card is sent from the field to the GY after being flipped face-up: You can target 1 "Necrovalley" card in your GY; add that target to your hand. These effects are unaffected by "Necrovalley".

Rulings – Yugipedia

Printings:

Legacy of the Valiant: LVAL-EN032 (Common) - 2014-01-24
2014 Mega-Tin Mega Pack: MP14-EN213 (Common) - 2014-08-28
Speed Duel: Arena of Lost Souls: SBLS-EN022 (Common) - 2019-03-28

Prices:

Cardmarket: 0.04 €
TCGplayer: $ 0.19