Time Stop, Narset's Reversal, Isochron Scepter, Seedborn Muse, and Teferi, Mage of Zhalfir

Prerequisites

• Time Stop in hand
• Narset's Reversal in exile
• Isochron Scepter on the battlefield
• Seedborn Muse on the battlefield
• Teferi, Mage of Zhalfir on the battlefield
• Nonland permanents that can be tapped for at least

Steps

1. During your opponent's upkeep step, Seedborn Muse untaps all permanents you control
2. Cast Time Stop
3. With Time Stop on the stack, activate Isochron Scepeter, casting a copy of Narset's Reversal
4. Copy Time Stop with Narset's Reversal, returning Time Stop to your hand and ending the turn
5. Repeat on each opponent's turn

Results

• Infinite turns