Ride of the Valkyries [SHVA-EN006] Secret Rare Retro Pack (2020 Date Reprint) If the target attacks

If the target attacks

it must be Normal Summoned in face-up Defense Position

You can only use each of the following effects of "Selettrice Vaalmonica" once per turn

or Summoned monster

This card gains 300 ATK for each Spell Counter on it

Ride of the Valkyries [SHVA-EN006] Secret Rare Retro Pack (2020 Date Reprint) If the target attacksSet: Shadows in Valhalla Card type: Normal Spell Rarity: Secret Rare Special Summon any number of Valkyrie monsters with different names from your hand. If you Special Summoned 3 or more monsters with this effect, you take no battle damage until the end of the next turn. During the End Phase of the turn you activated this card, shuffle all monsters you control into the Deck. You can banish this card from your GY; add 1 Mischief of the Time Goddess