the front side of Maddening Cacophony
the back of a classic MtG card
the front side of Keening Stone
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  
    Maddening Cacophony
    Maddening Cacophony
    in hand.
  2.  
    Keening Stone
    Keening Stone
    on the battlefield.

Mana Needed

  1. ({9} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast
    Maddening Cacophony
    Maddening Cacophony
    with kicker by paying ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , causing each opponent to mill half their library, rounded up.
  2. Activate
    Keening Stone
    Keening Stone
    by paying ({5} magic symbol)   and tapping it, causing an opponent to mill cards equal to the number of cards in their graveyard, thus milling the rest of their library.

Results

  1. Infinite mill for target opponent.
  2. Near-infinite mill.
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