MAGO-EN089 – Imperial Tombs of Necrovalley – Rare – 1st Edition

When a Spell Card, Trap Card, or monster effect is activated, while both a ‘Gravekeeper’s’ monster and ‘Necrovalley’ are on the field: Negate the activation, and if you do, destroy it. You can only activate 1 ‘Imperial Tombs of Necrovalley’ per turn.