Sage of Hours + Master Biomancer + Helm of the Host

Sage of Hours

Master Biomancer

Helm of the Host

How it works

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.

This clever loop spins up an endless chain of extra turns by weaponizing the combat step and creature growth. It all starts when Helm of the Host triggers at the beginning of combat to forge a fresh token copy of Sage of Hours, whose legendary status is happily ignored by the equipment. Thanks to Master Biomancer standing guard, that incoming token immediately arrives with a massive hoard of +1/+1 counters already piled high on it. You can then cash in those exact counters using Sage of Hours' own activated ability to steal an extra turn, setting you up to repeat the entire process and lock the game down completely.