the front side of Ouroboroid
the back of a classic MtG card
the front side of Sage of Hours
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  Ouroboroid and Sage of Hours on the battlefield (Ouroboroid with power 5 or greater).

Steps

  1. At the beginning of your combat phase, Ouroboroid triggers, putting at least five +1/+1 counters on each creature you control.
  2. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  3. Repeat.

Results

  1. Lock.
  2. Infinite turns.

Metadata

  1. In 1104 decks according to EDHREC.
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