Dark Valkyria [BP01-EN152] Starfoil Rare Zombie/Effect when an opponent's monster activates

when an opponent's monster activates its effect (Quick Effect): You can detach 2 materials from this card

Once per turn: You can detach 1 Xyz Material from this card and choose a number from 1 to 3

it is unaffected by other card effects until the end of the Damage Step

the King of Poisonous Snakes"

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

Dark Valkyria [BP01-EN152] Starfoil Rare Zombie/Effect when an opponent's monster activatesSet: Battle Pack: Epic Dawn Card type: Effect Monster Rarity: Starfoil Rare Attack: 1800 Defense: 1050 This card is treated as a Normal Monster while face up on the field or in the Graveyard. While this card is face up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect: Once, while this card is face up on the field: You can place 1 Spell Counter on it. This card gains 300 ATK for each Spell Counter on