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. Lock.
  2. Infinite turns.

Metadata

  1. In 7 decks according to EDHREC.
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