High Priestess of Prophecy [REDU-EN020] Secret Rare HGSS13 during your opponent's Standby Phase:

during your opponent's Standby Phase: You can inflict 300 damage to your opponent for each card your opponent controls

•During the Damage Step

Set: The Secret Forces Card type: Ritual/Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1400 You can Ritual Summon this card with any "Nekroz" Ritual Spell Card

Once per Chain

Set: Skyridge Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

High Priestess of Prophecy [REDU-EN020] Secret Rare HGSS13 during your opponent's Standby Phase:Set: Return of the Duelist Card type: Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2100 You can reveal 3 "Spellbook" Spell Cards in your hand; Special Summon this card from your hand. Once per turn: You can banish 1 "Spellbook" Spell Card from your hand or Graveyard to target 1 card on the field; destroy that target.