Sage of Hours, Clearwater Goblet, and Willowdusk, Essence Seer

Prerequisites

• Sage of Hours on the battlefield
• Clearwater Goblet on the battlefield
• Willowdusk, Essence Seer on the battlefield
• Clearwater Goblet has at least five charge counters
• each turn available

Steps

1. At the beginning of your upkeep, Clearwater Goblet triggers, causing you to gain at least five life
2. Activate Willowdusk by paying and tapping it, putting at least five +1/+1 counters on 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

Results

• Infinite turns