Necrovalley [RP02-EN079] Rare SM166 If the selected monster is

If the selected monster is offered as a Tribute

Set: Hidden Arsenal 7: Knight of Stars Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 2750 Defense: 1950 3 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects

Set: Sun & Moon: Shining Legends Type: Item Rarity: Uncommon

on the prize

Set: Hidden Arsenal 5: Steelswarm Invasion Card type: Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 0 You can Tribute Summon this monster in face-up Attack Position by Tributing 1 "Steelswarm" monster

Necrovalley [RP02-EN079] Rare SM166 If the selected monster isSet: Retro Pack 2 Card type: Field Spell Rarity: Rare Negate the effects of Spells, Traps, and Effect Monsters that target card(s) in either player's Graveyard. Cards in either player's Graveyard cannot be removed from play. all "Gravekeeper's" monsters gain 500 ATK and DEF.