Sage of Hours + Master Biomancer + Deadeye Navigator

Sage of Hours

Master Biomancer

Deadeye Navigator

How it works

1. Activate Sage of Hours by paying 1, blinking itself and causing it to enter the battlefield with five or more +1/+1 counters on it due to Master Biomancer.
2. When Sage of Hours enters the battlefield, Deadeye Navigator's soulbond ability triggers, repairing Deadeye Navigator and Sage of Hours.
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.

This engine achieves infinite turns by repeatedly cycling Sage of Hours through exile and back to the battlefield, where it arrives pre-loaded with enough counters to immediately cash in for another turn. The secret to this loop's efficiency is Master Biomancer, whose static ability ensures that whenever Sage of Hours re-enters, it instantly receives five or more additional +1/+1 counters due to the Biomancer's boosted power. Meanwhile, Deadeye Navigator provides the blinking engine via soulbond, allowing you to pay `{1}{U}` to exile and return Sage of Hours so it can re-pair, trigger its replacement effect, and surrender those counters to take an extra turn.