Hidden Temples of Necrovalley

Continuous Spell

Activate only if both a "Gravekeeper's" monster and "Necrovalley" are on the field. Neither player can Special Summon monsters, except "Gravekeeper's" monsters. If either a "Gravekeeper's" monster or "Necrovalley" is not on the field, destroy this card.

Rulings – Yugipedia

Printings:

Legacy of the Valiant: LVAL-EN066 (Rare) - 2014-01-24
2014 Mega-Tin Mega Pack: MP14-EN230 (Rare) - 2014-08-28
Speed Duel Starter Decks: Destiny Masters: SS01-ENB13 (Common) - 2019-01-24
Maximum Gold: MAGO-EN087 (Rare) - 2020-11-12

Prices:

Cardmarket: 0.17 €
TCGplayer: $ 0.24