Modnation's Ingenuity

At the beginning of your upkeep, you may pay {2} and reveal five silver-bordered cards with different names you own from outside the game. If you do, choose a card from among those cards
at random and cache it. (Exile it face down. It gains "This card's owner may look at it and choose to put it on top of their library at any time.")
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When you have a creative mind it doesn't stop going.

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For @modnation675