Ride of the Valkyries [SHVA-EN006] Secret Rare Fiend or monster effect

or monster effect

Special Summon it in Defense Position

The Rise of the Duelist booster set contains 100 new cards:

add 1 "Invocation" or "The Book of the Law" from your Deck to your hand

return that monster to the hand

Ride of the Valkyries [SHVA-EN006] Secret Rare Fiend or monster effectSet: 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