Gravekeeper's Watcher [DR1-EN012] Common BT2-002 This effect cannot be negated

This effect cannot be negated by the effect of "Necrovalley"

Set: Structure Deck: Lair of Darkness Card type: Normal Spell Rarity: Common Send 1 Spell/Trap from your Deck to the GY

Set: Great Legend Card type: Digimon Rarity: Super Rare Digi type: DragonKin Play Cost: 12 Form: Mega Attribute: Vaccine Digivolve Cost: 3 Digivolve Cost Level: 5 [When Attacking][Once Per Turn] You may add the top card of your security stack to your hand to unsuspend this Digimon and have 1 of your opponent's Digimon get -6000 DP for the turn

Set: Breakers of Shadow Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500 When this card is Normal or Special Summoned: You can target 1 of your banished LIGHT or DARK monsters and 1 card your opponent controls

Gravekeeper's Watcher [DR1-EN012] Common BT2-002 This effect cannot be negatedSet: Dark Revelation Volume 1 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 1000 When your opponent activates a card that includes an effect whereby your opponent discard from his her hand, send this card from your hand to the Graveyard to negate the activation and the effect of the card and destroy it.