Yawgmoth, Thran Physician, Ezuri, Stalker of Spheres, and Magistrate's Scepter

Prerequisites

• Yawgmoth, Thran Physician on the battlefield
• Ezuri, Stalker of Spheres on the battlefield
• Magistrate's Scepter on the battlefield
• You have at least one card in hand
• Magistrate's Scepter has at least one charge counter on it
• Six each turn available

Steps

1. Activate Yawgmoth's second ability by paying and discarding a card, causing you to put a charge counter on Magistrate's Scepter
2. Ezuri triggers, causing you to draw a card
3. Repeat from step 1 two additional times
4. 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
5. Repeat each turn

Results

• Infinite turns