the front side of Erratic Portal
the back of a classic MtG card
the front side of Emrakul, the Aeons Torn
the back of a classic MtG card

Color Identity: C

Initial Card State

  1.  Erratic Portal on the battlefield.
  2.   Emrakul in hand or in the command zone.

Mana Needed

  1. ({16} magic symbol)   each turn plus enough mana to pay commander tax on the first turn, if applicable available.

Steps

  1. Cast Emrakul by paying ({15} magic symbol)   and commander tax, if applicable.
  2. Emrakul triggers, causing you to get an extra turn after this one.
  3. Activate Erratic Portal by paying ({1} magic symbol)   and tapping it, choosing not to pay and return Emrakul from the battlefield to your hand.
  4. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 7 decks according to EDHREC.
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