Eternity Vessel, Resourceful Defense, Magistrate's Scepter, and Drafna, Founder of Lat-Nam

Prerequisites

• Eternity Vessel in hand
• Resourceful Defense on the battlefield
• Magistrate's Scepter on the battlefield
• Drafna, Founder of Lat-Nam on the battlefield
• at most each turn available

Steps

1. Cast Eternity Vessel by paying
2. Eternity Vessel enters the battlefield with a number of charge counters on it equal to your life total
3. Activate Resourceful Defense by paying , moving all charge counters from Eternity Vessel onto Magistrate's Scepter
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. If Magistrate's Scepter has few than three charge counters on it, activate Drafna's first ability by paying , returning Eternity Vessel from the battlefield to your hand
6. Repeat from step 3 during your next turn if Magistrate's Scepter has three or more charge counters on it
7. Otherwise, repeat from step 1

Results

• Infinite turns