Sage of Hours + Master Biomancer + Brago, King Eternal

Sage of Hours
Master Biomancer
Brago, King Eternal

Requires
Sage of Hours must be on the battlefield. Master Biomancer must be on the battlefield. Brago, King Eternal must be on the battlefield. Master Biomancer has a power of five or greater. Brago does not have summoning sickness and cannot be blocked by an opponent.
Steps
  1. Deal combat damage to an opponent using Brago.
  2. Brago triggers, blinking Sage of Hours and causing it to enter the battlefield with at least five +1/+1 counters due to Master Biomancer.
  3. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  4. Repeat each turn.
Results
Infinite turns.