the front side of Casey Jones, Back Alley Brute
the back of a classic MtG card
the front side of Phyrexian Devourer
the back of a classic MtG card

Color Identity: R

Initial Card State

  1.  Casey Jones and Phyrexian Devourer on the battlefield (Casey Jones without summoning sickness).

Easy Prerequisites

  1. Your deck size is at least 2.

Steps

  1. Activate Phyrexian Devourer by exiling the top card of your library, putting a number of +1/+1 counters on it equal to the exiled card's mana value.
  2. Casey's second ability triggers, and Phyrexian Devourer triggers if it's power is 7 or greater.
  3. Resolve the Casey trigger, dealing damage to an opponent.
  4. Holding priority, repeat from step 1 until your library.
  5. Resolve all Phyrexian Devourer triggers, sacrificing it.

Results

  1. Exile your library.
  2. Near-infinite damage.

Metadata

  1. In 4 decks according to EDHREC.
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