Nekroz of Valkyrus [THSF-EN017] Secret Rare XY158 or when a Spell/Trap that

or when a Spell/Trap that is already face-up on the field activates its effect (Quick Effect): You can send this card from your hand or field to the GY

You can only use each of these effects of "Nekroz of Valkyrus" once per turn

Set: The New Challengers Card type: Xyz/Effect Monster Rarity: Ghost Rare Attack: 2500 Defense: 2000 2 Level 4 monsters You can detach 2 Xyz Materials from this card

your opponent cannot activate any Spell or Trap Cards until the end of the Damage Step

Nekroz of Valkyrus [THSF-EN017] Secret Rare XY158 or when a Spell/Trap thatSet: The Secret Forces Card type: Ritual Effect Monster Rarity: Secret Rare Attack: 2900 Defense: 1700 You can Ritual Summon this card with any "Nekroz" Ritual Spell Card. Must be Ritual Summoned, without using any Level 8 monsters, and cannot be Special Summoned by other ways. You can only use each of these effects of "Nekroz of Valkyrus" once per turn. When an opponent's monster declares an attack: You can banish 1 "Nekroz" card from your Graveyard,