Assault Wyvern [MVP1-EN003] Ultra Rare OTS Tournament Pack 3 This Effect is unaffected by

This Effect is unaffected by "Necrovalley"

when a monster(s) would be Normal or Special Summoned

the attacking monster's ATK becomes 0

You can only Special Summon "Guardragon Elpy(s)" once per turn

Set: Legendary Duelists: Sisters of the Rose Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 1000 If this card is Normal or Special Summoned: You can target 1 EARTH Machine monster in your GY

Assault Wyvern [MVP1-EN003] Ultra Rare OTS Tournament Pack 3 This Effect is unaffected bySet: The Dark Side of Dimensions Movie Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 1000 When this card destroys an opponent's monster by battle: You can Tribute this card; Special Summon 1 Dragon Type monster from your hand or Graveyard, except "Assault Wyvern".