Primal Amulet // Primal Wellspring + Turnabout + Narset's Reversal

Prerequisites

• Lands you control excluding Primal Wellspring can tap to produce at least .

Steps

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

Effects

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