the front side of Mirror-Mad Phantasm
the back of a classic MtG card
the front side of Cephalid Facetaker
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Mirror-Mad Phantasm and Cephalid Facetaker on the battlefield.

Mana Needed

  1. one generic manaone blue mana available.

Steps

  1. At the beginning of your combat phase, Cephalid Facetaker triggers, causing it to become a copy of Mirror-Mad Phantasm until end of turn.
  2. Activate Cephalid Facetaker by paying one generic manaone blue mana, shuffling Cephalid Facetaker 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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