the front side of Mirror-Mad Phantasm
the back of a classic MtG card
the front side of Renegade Doppelganger
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Mirror-Mad Phantasm in hand.
  2.  Renegade Doppelganger on the battlefield.

Mana Needed

  1. four generic manaone blue manaone blue manaone blue mana available.

Steps

  1. Cast Mirror-Mad Phantasm by paying three generic manaone blue manaone blue mana.
  2. When Mirror-Mad Phantasm enters the battlefield, Renegade Doppelganger triggers, causing Renegade Doppelganger to become a copy of Mirror-Mad Phantasm until end of turn.
  3. Activate Renegade Doppelganger by paying one generic manaone blue mana, shuffling Renegade Doppelganger into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.

Results

  1. Infinite self-mill.
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