Sage of Hours, Extruder, and Bootleggers' Stash

Prerequisites

• Sage of Hours on the battlefield
• Extruder on the battlefield
• Bootleggers' Stash in the graveyard

Steps

1. Activate five lands by tapping them, creating five Treasure tokens
2. Activate Extruder five times by sacrificing five Treasures, putting 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
• Lock