Crowley, the First Propheseer

2 Spellcaster monstersIf this card is Link Summoned: You can reveal 3 "Spellbook" cards with different names from your Deck, and your opponent randomly picks 1 for you to add to your hand, also shuffle the rest into your Deck. You can only use this effect of "Crowley, the First Propheseer" once per turn. Each turn, 1 Level 5 or higher Spellcaster monster you Normal Summon can be Summoned without Tributing.