nightmares manipulator

when you surveil, the opponent mill 3 cards, then
exile a card from your opponent's graveyard, you
can cast the exiled card for the reduced cost by{x}where x is the number of times you surveil this
turn
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during the night information from people's minds flies through the skies like breezes, flows like the waters of a river, and molds itself to the greatest horrors of
humanity.