the front side of Guile
the back of a classic MtG card
the front side of Temporal Extortion
the back of a classic MtG card
the front side of Professor Onyx
the back of a classic MtG card

Color Identity: U, B

Initial Card State

  1.  Temporal Extortion in hand.
  2.  Guile and Professor Onyx on the battlefield.

Notable Prerequisites

  1. Your life total is at least 2.

Mana Needed

  1. ({B} magic symbol)  ({B} magic symbol)  ({B} magic symbol)  ({B} magic symbol)   available.

Steps

  1. Cast Temporal Extortion by paying ({B} magic symbol)  ({B} magic symbol)  ({B} magic symbol)  ({B} magic symbol)  .
  2. Temporal Extortion and Professor Onyx trigger.
  3. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  4. Repeat from step 2 until your life total is four or less.
  5. Temporal Extortion and Professor Onyx trigger.
  6. Resolve the Professor Onyx trigger, causing you to gain two life and each opponent to lose 2 life.
  7. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  8. Repeat from step 5.

Results

  1. Infinite lifegain triggers.
  2. Infinite lifeloss.
  3. Infinite magecraft triggers.
  4. Infinite storm count.

Metadata

  1. In 4 decks according to EDHREC.
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