Stacked Grand Erudition

Put this card into soul, look at the top three cards of your deck, choose up to one card from among them, put it into soul, and put the rest on the bottom of the deck in any order. Choose a card from your soul with grade less than or equal to your vanguard, and you may call it to (RC). [AUTO]:When this card is discarded from hand during your turn, you may put this card into soul.