the front side of Sage of Hours
the back of a classic MtG card
the front side of Master Biomancer
the back of a classic MtG card
the front side of Helm of the Host
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Helm of the Host attached to Sage of Hours.
  2. Master Biomancer has power five or greater.

Steps

  1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Sage of Hours with haste that enters the battlefield with at least five +1/+1 counters on it due to Master Biomancer.
  2. Activate the Sage of Hours copy by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  3. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 64 decks according to EDHREC.
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