Magistrate's Scepter + Energy Chamber + Tawnos, Urza's Apprentice

Prerequisites

• Magistrate's Scepter has three charge counters on it.

Steps

1. 1Activate Magistrate's Scepter, removing 3 charge counters to take an extra turn.
2. 2Activate Tawnos, copying the extra turn ability.
3. 3Pass the turn.
4. 4At the beginning of your upkeep, Energy Chamber triggers, putting a charge counter on Magistrate's Scepter.
5. 5Activate Magistrate's Scepter, putting a charge counter on itself.
6. 6Activate Tawnos, copying the trigger.
7. 7Pass the turn.
8. 8Repeat.

Effects

• Infinite turns
• Lock