Primal Amulet // Primal Wellspring, Turnabout, and Narset's Reversal

Prerequisites

• Primal Amulet // Primal Wellspring on the battlefield
• Turnabout in hand
• Narset's Reversal in hand
• Lands you control excluding Primal Wellspring can tap to produce at least
• available

Steps

1. Cast Turnabout by paying
2. Holding priority, activate Primal Wellspring by tapping it, adding
3. Cast Narset's Reversal by paying , targeting Turnabout
4. Primal Wellspring triggers, creating a copy of Narset's Reversal targeting the original Narset's Reversal
5. Resolve the copy of Narset's Reversal, copying the original Narset's Reversal targeting Turnabout, and returning the original Narset's Reversal to your hand
6. Resolve Narset's Reversal, creating a copy of Turnabout and returning the original Turnabout to your hand
7. Resolve Turnabout, untapping all lands you control
8. Activate Primal Wellspring and all mana producing lands you control by tapping them, adding at least
9. Cast Turnabout by paying
10. Primal Wellspring triggers, creating a copy of Turnabout
11. Resolve Turnabout, untapping all lands you control
12. Activate Primal Wellspring and all mana producing lands you control by tapping them, adding at least
13. Repeat from step 3

Results

• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite storm count
• Infinite untap of all creatures you control