Goddess of Investigation, Ishtar (G-BT11/S02EN) [Demonic Advent]

[ Stride ]-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] Stride this card on your (VC) from face down. [AUTO]: Revelation-(VC) [AUTO](VC):[Soul Blast (3) & Choose a face down card from your G zone, and turn it face up] When your drive check reveals a grade 1 or greater card, you may pay the cost. If you do, choose the same number of your units as the number of face up "Goddess of Investigation, Ishtar" in your G zone, they get [Power]+3000 until end of turn, and if the card revealed by the drive check has the revelation ability, [Stand] those rear-guards.