Requires

Time Stop must be in hand. Narset's Reversal must be in exile (exiled by Isochron Scepter). Isochron Scepter must be on the battlefield. Seedborn Muse must be on the battlefield. Teferi, Mage of Zhalfir must be 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