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When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library.
If you would draw a card, you may instead put the top card of the pile you exiled into your hand.
If you have fewer than 7 cards in your library, exile them all.
You can choose to take the top card from the pile (and not draw) even if there are no cards in the pile. This allows you to skip draws.
You can’t look at the face down cards.
