Azusa, Lost but Seeking, Magistrate's Scepter, Evolution Sage, and Rakdos Carnarium

Prerequisites

• Azusa, Lost but Seeking on the battlefield
• Magistrate's Scepter on the battlefield
• Evolution Sage on the battlefield
• Rakdos Carnarium in hand
• Magistrate's Scepter has at least one charge counter on it
• You are able to play a number of lands this turn equal to four minus the number of charge counters on Magistrate's Scepter

Steps

1. Play Rakdos Carnarium
2. When Rakdos Carnarium enters the battlefield, it and Evolution Sage trigger
3. Resolve the Rakdos Carnarium trigger, returning it from the battlefield to your hand
4. Resolve the Evolution Sage trigger, putting a charge counter on Magistrate's Scepter
5. Repeat from step 1 until Magistrate's Scepter has four or more charge counters on it
6. 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
7. Repeat each turn

Results

• Infinite turns