Magistrate's Scepter, and Ichormoon Gauntlet

Prerequisites

• Magistrate's Scepter on the battlefield
• Ichormoon Gauntlet on the battlefield
• Magistrate's Scepter has at least one charge counter on it
• You control at least three planeswalkers

Steps

1. Activate three planeswalkers you control by putting zero loyalty counters on them, putting three charge counters on Magistrate's Scepter
2. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one
3. Repeat each turn

Results

• Infinite turns