Color Identity: U, B

Prerequisites

  1.  
    Thassa's Oracle
    Thassa's Oracle     in hand.
  2.  
    Araumi of the Dead Tide
    Araumi of the Dead Tide     on the battlefield.
  3.  
    Mirror-Mad Phantasm
    Mirror-Mad Phantasm     in your graveyard.
  4. Araumi of the Dead Tide
    Araumi of the Dead Tide     does not have summoning sickness.
  5. You have at least one additional card in your graveyard for each opponent you have.
  6. You have a way to draw a card.
  7. ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Activate
    Araumi of the Dead Tide
    Araumi     by tapping it and exiling cards from your graveyard equal to the number of opponent you have, giving
    Mirror-Mad Phantasm
    Mirror-Mad Phantasm     encore until end of turn.
  2. Activate
    Mirror-Mad Phantasm
    Mirror-Mad Phantasm    's encore ability by paying ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   and exiling it, causing you to create a token copy with haste for each opponent you have.
  3. Activate a
    Mirror-Mad Phantasm
    Mirror-Mad Phantasm     token by paying ({1} magic symbol)  ({U} magic symbol)  , causing you to shuffle it into your library, then reveal and mill your entire library due to not having a card named
    Mirror-Mad Phantasm
    Mirror-Mad Phantasm     in it.
  4. Cast
    Thassa's Oracle
    Thassa's Oracle     by paying ({U} magic symbol)  ({U} magic symbol)  .
  5. Thassa's Oracle
    Thassa's Oracle     enters the battlefield, causing you to win the game.

Results

  1. Infinite self-mill.
  2. Win the game.

Metadata

  1. In 55 decks according to EDHREC.
footer