Denry Klin, Editor in Chief, Sage of Hours, and Soulherder

Prerequisites

• Denry Klin, Editor in Chief on the battlefield
• Sage of Hours on the battlefield
• Soulherder on the battlefield
• Denry Klin has at least five +1/+1 counters on it

Steps

1. At the beginning of your end step, Soulherder's second ability triggers, blinking Sage of Hours
2. Soulherder's first ability triggers, putting a +1/+1 counter on itself
3. Sage of Hours enters the battlefield, triggering Denry Klin, putting at least five +1/+1 counters on Sage of Hours
4. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one
5. Repeat each turn

Results

• Infinite turns