Sage of Hours, Master Biomancer, and Brago, King Eternal

Prerequisites

• Sage of Hours on the battlefield
• Master Biomancer on the battlefield
• Brago, King Eternal 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